Alpha stage commit

2026-07-02 21:04:05 +02:00
parent c03b183dfb
commit abed21be21
136 changed files with 15531 additions and 15 deletions
--- a/packages/shared/src/fixtures.d.ts
+++ b/packages/shared/src/fixtures.d.ts
@@ -0,0 +1,7 @@
+import type { Poi, RoutePlan, RouteSegment, RuleCard, TripRequest } from './types.js';
+export declare const mockTripRequest: TripRequest;
+export declare const mockRouteSegments: RouteSegment[];
+export declare function createMockRoute(tripId?: string): RoutePlan;
+export declare const mockPois: Poi[];
+export declare const mockRules: RuleCard[];
+//# sourceMappingURL=fixtures.d.ts.map
--- a/packages/shared/src/fixtures.d.ts.map
+++ b/packages/shared/src/fixtures.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"fixtures.d.ts","sourceRoot":"","sources":["fixtures.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,GAAG,EAAE,SAAS,EAAE,YAAY,EAAE,QAAQ,EAAE,WAAW,EAAE,MAAM,YAAY,CAAC;AAEtF,eAAO,MAAM,eAAe,EAAE,WAc7B,CAAC;AA6CF,eAAO,MAAM,iBAAiB,EAAE,YAAY,EAyB1C,CAAC;AAEH,wBAAgB,eAAe,CAAC,MAAM,SAAkB,GAAG,SAAS,CAyBnE;AAED,eAAO,MAAM,QAAQ,EAAE,GAAG,EA4BzB,CAAC;AAEF,eAAO,MAAM,SAAS,EAAE,QAAQ,EAqB/B,CAAC"}
--- a/packages/shared/src/fixtures.js
+++ b/packages/shared/src/fixtures.js
@@ -0,0 +1,175 @@
+import { scoreRoute } from './scoring.js';
+export const mockTripRequest = {
+    start: { lat: 48.137, lon: 11.575 },
+    end: { lat: 47.269, lon: 11.404 },
+    startDate: '2026-07-10',
+    endDate: '2026-07-14',
+    profile: 'loaded_gravel',
+    sleepPreference: 'mixed_budget',
+    dailyDistanceKm: { min: 55, target: 75, max: 95 },
+    dailyAscentM: { target: 1100, max: 1800 },
+    maxLoadedGradePercent: 12,
+    preferredUnpavedPercent: { min: 30, max: 70 },
+    waterGapMaxKm: 40,
+    foodGapMaxKm: 70,
+    requireBailoutEveryKm: 90
+};
+const routeCoordinates = [
+    { lat: 48.137, lon: 11.575 },
+    { lat: 48.045, lon: 11.49 },
+    { lat: 47.965, lon: 11.335 },
+    { lat: 47.83, lon: 11.19 },
+    { lat: 47.705, lon: 11.095 },
+    { lat: 47.612, lon: 11.23 },
+    { lat: 47.52, lon: 11.085 },
+    { lat: 47.45, lon: 11.245 },
+    { lat: 47.39, lon: 11.08 },
+    { lat: 47.315, lon: 11.205 },
+    { lat: 47.255, lon: 11.07 },
+    { lat: 47.18, lon: 11.215 },
+    { lat: 47.235, lon: 11.36 },
+    { lat: 47.13, lon: 11.47 },
+    { lat: 47.205, lon: 11.555 },
+    { lat: 47.269, lon: 11.404 }
+];
+const segmentDistances = [
+    22000, 24000, 25000, 26000, 22000, 28000, 23000, 26000, 24000, 28000, 25000, 28000, 24000, 30000, 27000
+];
+const segmentAscents = [180, 260, 420, 650, 310, 520, 210, 430, 390, 620, 280, 510, 240, 480, 520];
+const segmentDescents = [120, 180, 260, 330, 420, 270, 250, 380, 290, 460, 420, 310, 350, 420, 540];
+const surfaces = [
+    'asphalt',
+    'gravel',
+    'fine_gravel',
+    'dirt',
+    'gravel',
+    'compacted',
+    'asphalt',
+    'gravel',
+    'dirt',
+    'gravel',
+    'asphalt',
+    'track',
+    'fine_gravel',
+    'gravel',
+    'asphalt'
+];
+export const mockRouteSegments = segmentDistances.map((distanceM, index) => {
+    const startMeters = segmentDistances.slice(0, index).reduce((sum, value) => sum + value, 0);
+    const endMeters = startMeters + distanceM;
+    const segmentId = `seg_demo_${String(index + 1).padStart(2, '0')}`;
+    return {
+        id: segmentId,
+        geometry: [routeCoordinates[index] ?? routeCoordinates[0], routeCoordinates[index + 1] ?? routeCoordinates[routeCoordinates.length - 1]],
+        distanceM,
+        startMeters,
+        endMeters,
+        ascentM: segmentAscents[index] ?? 0,
+        descentM: segmentDescents[index] ?? 0,
+        avgGradePercent: index === 9 ? 8.4 : index === 3 ? 7.6 : 3 + (index % 4),
+        maxGradePercent: index === 9 ? 16.4 : index === 3 ? 13.8 : 8 + (index % 4),
+        surface: surfaces[index],
+        smoothness: index === 9 ? 'bad' : index === 11 ? 'intermediate' : 'good',
+        highway: index === 11 ? 'track' : index === 9 ? 'track' : index % 3 === 0 ? 'cycleway' : 'unclassified',
+        bicycleAccess: index === 8 ? 'unknown' : 'yes',
+        legalAccessConfidence: index === 8 ? 'unknown' : index === 10 ? 'low' : 'high',
+        trafficStress: index === 10 ? 0.62 : index % 5 === 0 ? 0.34 : 0.18,
+        officialCycleRoute: index === 1 || index === 6 || index === 14,
+        protectedAreaOverlap: index === 9,
+        communityScore: index === 6 ? 0.8 : undefined,
+        sourceConfidence: index === 8 ? 'medium' : 'high'
+    };
+});
+export function createMockRoute(tripId = 'trip_demo_001') {
+    const baseRoute = {
+        id: 'route_demo_001',
+        tripId,
+        geometry: routeCoordinates,
+        distanceM: segmentDistances.reduce((sum, value) => sum + value, 0),
+        ascentM: segmentAscents.reduce((sum, value) => sum + value, 0),
+        descentM: segmentDescents.reduce((sum, value) => sum + value, 0),
+        segments: mockRouteSegments,
+        surfaceBreakdown: {},
+        suitabilityScore: 0,
+        warnings: [],
+        provider: 'mock',
+        attribution: [
+            'Mock route fixture derived from OSM-like tags for MVP development.',
+            'Map and POI attribution hooks preserve OpenStreetMap contributor requirements.'
+        ]
+    };
+    const routeScore = scoreRoute(baseRoute, mockTripRequest.profile);
+    return {
+        ...baseRoute,
+        surfaceBreakdown: routeScore.surfaceBreakdown,
+        suitabilityScore: routeScore.suitabilityScore,
+        warnings: routeScore.warnings
+    };
+}
+export const mockPois = [
+    poi('poi_water_001', 'water', 'Village fountain', 18200, 48.075, 11.512, 'known_good', 25),
+    poi('poi_food_001', 'food', 'Bakery and mini market', 43000, 47.98, 11.37, 'high', 180),
+    poi('poi_water_002', 'water', 'Cemetery tap', 50900, 47.92, 11.27, 'high', 90),
+    poi('poi_sleep_001', 'sleep', 'Lakeside campsite', 72400, 47.805, 11.145, 'high', 800, { sleepType: 'campsite' }),
+    poi('poi_bailout_001', 'bailout', 'Regional rail station', 85000, 47.75, 11.12, 'high', 600),
+    poi('poi_water_003', 'water', 'Spring above forest road', 90000, 47.715, 11.12, 'medium', 120),
+    poi('poi_food_002', 'food', 'Gas station shop', 113000, 47.62, 11.22, 'high', 250),
+    poi('poi_repair_001', 'repair', 'Bike shop Murnau', 112000, 47.62, 11.235, 'high', 1300),
+    poi('poi_water_004', 'water', 'Public tap', 126000, 47.53, 11.105, 'medium', 210),
+    poi('poi_sleep_002', 'sleep', 'Mountain hostel', 154000, 47.505, 11.16, 'medium', 2100, { sleepType: 'hostel' }),
+    poi('poi_food_003', 'food', 'Village supermarket', 165000, 47.47, 11.22, 'high', 650),
+    poi('poi_water_005', 'water', 'Trailhead fountain', 174000, 47.43, 11.19, 'high', 80),
+    poi('poi_bailout_002', 'bailout', 'Bus stop with bike carriage', 175000, 47.42, 11.2, 'medium', 400),
+    poi('poi_water_006', 'water', 'Alpine hut tap', 225000, 47.29, 11.18, 'medium', 1400),
+    poi('poi_sleep_003', 'sleep', 'Farm campground', 228000, 47.275, 11.16, 'high', 900, { sleepType: 'campsite' }),
+    poi('poi_food_004', 'food', 'Bakery before pass', 236000, 47.25, 11.13, 'high', 500),
+    poi('poi_repair_002', 'repair', 'Repair station at trail hub', 266000, 47.18, 11.24, 'medium', 250),
+    poi('poi_bailout_003', 'bailout', 'Train station valley option', 265000, 47.18, 11.23, 'high', 1600),
+    poi('poi_water_007', 'water', 'Village fountain after pass', 282000, 47.22, 11.33, 'high', 70),
+    poi('poi_sleep_004', 'sleep', 'Budget inn', 305000, 47.16, 11.43, 'medium', 1700, { sleepType: 'hotel' }),
+    poi('poi_food_005', 'food', 'Supermarket last resupply', 312000, 47.14, 11.47, 'high', 600),
+    poi('poi_water_008', 'water', 'Town public tap', 339000, 47.19, 11.53, 'known_good', 45),
+    poi('poi_bailout_004', 'bailout', 'Mainline rail station', 350000, 47.215, 11.55, 'high', 900),
+    poi('poi_food_006', 'food', 'Innsbruck market hall', 370000, 47.25, 11.44, 'high', 400),
+    poi('poi_repair_003', 'repair', 'Innsbruck bike workshop', 380000, 47.267, 11.41, 'high', 500),
+    poi('poi_sleep_005', 'sleep', 'Finish hostel', 382000, 47.269, 11.404, 'high', 300, { sleepType: 'hostel' }),
+    poi('poi_water_009', 'water', 'Finish drinking fountain', 382000, 47.269, 11.404, 'high', 30)
+];
+export const mockRules = [
+    {
+        id: 'rule_bavaria_access_001',
+        ruleType: 'access',
+        jurisdiction: 'Bavaria mock corridor',
+        status: 'advisory',
+        confidence: 'medium',
+        summary: 'Forest and protected-area access can depend on local signage. Verify bicycle access at uncertain segments.',
+        sourceUrl: 'https://www.openstreetmap.org/copyright',
+        lastReviewedAt: '2026-07-02'
+    },
+    {
+        id: 'rule_tyrol_camping_001',
+        ruleType: 'camping',
+        jurisdiction: 'Tyrol mock corridor',
+        status: 'advisory',
+        confidence: 'low',
+        summary: 'Wild camping rules vary by municipality and protected status. Prefer official campsites or indoor lodging unless locally confirmed.',
+        sourceUrl: 'https://www.openstreetmap.org/copyright',
+        lastReviewedAt: '2026-07-02'
+    }
+];
+function poi(id, category, name, metersFromStart, lat, lon, confidence, detourDistanceM, tags) {
+    return {
+        id,
+        category,
+        name,
+        location: { lat, lon },
+        source: 'mock_osm_fixture',
+        confidence,
+        metersFromStart,
+        distanceFromRouteM: Math.min(detourDistanceM, 2000),
+        detourDistanceM,
+        tags,
+        lastConfirmedAt: '2026-07-02T00:00:00.000Z'
+    };
+}
+//# sourceMappingURL=fixtures.js.map
--- a/packages/shared/src/fixtures.js.map
+++ b/packages/shared/src/fixtures.js.map
--- a/packages/shared/src/fixtures.test.ts
+++ b/packages/shared/src/fixtures.test.ts
@@ -0,0 +1,9 @@
+import { describe, expect, it } from 'vitest';
+import sampleTripRequest from '../../../examples/sample_trip_request.json';
+import { mockTripRequest } from './fixtures.js';
+
+describe('example fixtures', () => {
+  it('keeps the mock trip request aligned with examples/sample_trip_request.json', () => {
+    expect(mockTripRequest).toEqual(sampleTripRequest);
+  });
+});
--- a/packages/shared/src/fixtures.ts
+++ b/packages/shared/src/fixtures.ts
@@ -0,0 +1,194 @@
+import { scoreRoute } from './scoring.js';
+import type { Poi, RoutePlan, RouteSegment, RuleCard, TripRequest } from './types.js';
+
+export const mockTripRequest: TripRequest = {
+  start: { lat: 48.137, lon: 11.575 },
+  end: { lat: 47.269, lon: 11.404 },
+  startDate: '2026-07-10',
+  endDate: '2026-07-14',
+  profile: 'loaded_gravel',
+  sleepPreference: 'mixed_budget',
+  dailyDistanceKm: { min: 55, target: 75, max: 95 },
+  dailyAscentM: { target: 1100, max: 1800 },
+  maxLoadedGradePercent: 12,
+  preferredUnpavedPercent: { min: 30, max: 70 },
+  waterGapMaxKm: 40,
+  foodGapMaxKm: 70,
+  requireBailoutEveryKm: 90
+};
+
+const routeCoordinates = [
+  { lat: 48.137, lon: 11.575, elevationM: 520 },
+  { lat: 48.045, lon: 11.49, elevationM: 575 },
+  { lat: 47.965, lon: 11.335, elevationM: 640 },
+  { lat: 47.83, lon: 11.19, elevationM: 860 },
+  { lat: 47.705, lon: 11.095, elevationM: 1160 },
+  { lat: 47.612, lon: 11.23, elevationM: 1030 },
+  { lat: 47.52, lon: 11.085, elevationM: 1210 },
+  { lat: 47.45, lon: 11.245, elevationM: 1115 },
+  { lat: 47.39, lon: 11.08, elevationM: 1300 },
+  { lat: 47.315, lon: 11.205, elevationM: 1475 },
+  { lat: 47.255, lon: 11.07, elevationM: 1320 },
+  { lat: 47.18, lon: 11.215, elevationM: 1505 },
+  { lat: 47.235, lon: 11.36, elevationM: 1380 },
+  { lat: 47.13, lon: 11.47, elevationM: 1625 },
+  { lat: 47.205, lon: 11.555, elevationM: 1450 },
+  { lat: 47.269, lon: 11.404, elevationM: 575 }
+];
+
+const segmentDistances = [
+  22000, 24000, 25000, 26000, 22000, 28000, 23000, 26000, 24000, 28000, 25000, 28000, 24000, 30000, 27000
+];
+
+const segmentAscents = [180, 260, 420, 650, 310, 520, 210, 430, 390, 620, 280, 510, 240, 480, 520];
+const segmentDescents = [120, 180, 260, 330, 420, 270, 250, 380, 290, 460, 420, 310, 350, 420, 540];
+const surfaces = [
+  'asphalt',
+  'gravel',
+  'fine_gravel',
+  'dirt',
+  'gravel',
+  'compacted',
+  'asphalt',
+  'gravel',
+  'dirt',
+  'gravel',
+  'asphalt',
+  'track',
+  'fine_gravel',
+  'gravel',
+  'asphalt'
+];
+
+export const mockRouteSegments: RouteSegment[] = segmentDistances.map((distanceM, index) => {
+  const startMeters = segmentDistances.slice(0, index).reduce((sum, value) => sum + value, 0);
+  const endMeters = startMeters + distanceM;
+  const segmentId = `seg_demo_${String(index + 1).padStart(2, '0')}`;
+  return {
+    id: segmentId,
+    geometry: [routeCoordinates[index] ?? routeCoordinates[0]!, routeCoordinates[index + 1] ?? routeCoordinates[routeCoordinates.length - 1]!],
+    distanceM,
+    startMeters,
+    endMeters,
+    ascentM: segmentAscents[index] ?? 0,
+    descentM: segmentDescents[index] ?? 0,
+    avgGradePercent: index === 9 ? 8.4 : index === 3 ? 7.6 : 3 + (index % 4),
+    maxGradePercent: index === 9 ? 16.4 : index === 3 ? 13.8 : 8 + (index % 4),
+    surface: surfaces[index],
+    smoothness: index === 9 ? 'bad' : index === 11 ? 'intermediate' : 'good',
+    highway: index === 11 ? 'track' : index === 9 ? 'track' : index % 3 === 0 ? 'cycleway' : 'unclassified',
+    bicycleAccess: index === 8 ? 'unknown' : 'yes',
+    legalAccessConfidence: index === 8 ? 'unknown' : index === 10 ? 'low' : 'high',
+    trafficStress: index === 10 ? 0.62 : index % 5 === 0 ? 0.34 : 0.18,
+    officialCycleRoute: index === 1 || index === 6 || index === 14,
+    protectedAreaOverlap: index === 9,
+    communityScore: index === 6 ? 0.8 : undefined,
+    sourceConfidence: index === 8 ? 'medium' : 'high'
+  };
+});
+
+export function createMockRoute(tripId = 'trip_demo_001'): RoutePlan {
+  const baseRoute: RoutePlan = {
+    id: 'route_demo_001',
+    tripId,
+    geometry: routeCoordinates,
+    distanceM: segmentDistances.reduce((sum, value) => sum + value, 0),
+    ascentM: segmentAscents.reduce((sum, value) => sum + value, 0),
+    descentM: segmentDescents.reduce((sum, value) => sum + value, 0),
+    segments: mockRouteSegments,
+    surfaceBreakdown: {},
+    suitabilityScore: 0,
+    warnings: [],
+    provider: 'mock',
+    attribution: [
+      'Mock route fixture derived from OSM-like tags for MVP development.',
+      'Map and POI attribution hooks preserve OpenStreetMap contributor requirements.'
+    ]
+  };
+  const routeScore = scoreRoute(baseRoute, mockTripRequest.profile);
+  return {
+    ...baseRoute,
+    surfaceBreakdown: routeScore.surfaceBreakdown,
+    suitabilityScore: routeScore.suitabilityScore,
+    warnings: routeScore.warnings
+  };
+}
+
+export const mockPois: Poi[] = [
+  poi('poi_water_001', 'water', 'Village fountain', 18200, 48.075, 11.512, 'known_good', 25),
+  poi('poi_food_001', 'food', 'Bakery and mini market', 43000, 47.98, 11.37, 'high', 180),
+  poi('poi_water_002', 'water', 'Cemetery tap', 50900, 47.92, 11.27, 'high', 90),
+  poi('poi_sleep_001', 'sleep', 'Lakeside campsite', 72400, 47.805, 11.145, 'high', 800, { sleepType: 'campsite' }),
+  poi('poi_bailout_001', 'bailout', 'Regional rail station', 85000, 47.75, 11.12, 'high', 600),
+  poi('poi_water_003', 'water', 'Spring above forest road', 90000, 47.715, 11.12, 'medium', 120),
+  poi('poi_food_002', 'food', 'Gas station shop', 113000, 47.62, 11.22, 'high', 250),
+  poi('poi_repair_001', 'repair', 'Bike shop Murnau', 112000, 47.62, 11.235, 'high', 1300),
+  poi('poi_water_004', 'water', 'Public tap', 126000, 47.53, 11.105, 'medium', 210),
+  poi('poi_sleep_002', 'sleep', 'Mountain hostel', 154000, 47.505, 11.16, 'medium', 2100, { sleepType: 'hostel' }),
+  poi('poi_food_003', 'food', 'Village supermarket', 165000, 47.47, 11.22, 'high', 650),
+  poi('poi_water_005', 'water', 'Trailhead fountain', 174000, 47.43, 11.19, 'high', 80),
+  poi('poi_bailout_002', 'bailout', 'Bus stop with bike carriage', 175000, 47.42, 11.2, 'medium', 400),
+  poi('poi_water_006', 'water', 'Alpine hut tap', 225000, 47.29, 11.18, 'medium', 1400),
+  poi('poi_sleep_003', 'sleep', 'Farm campground', 228000, 47.275, 11.16, 'high', 900, { sleepType: 'campsite' }),
+  poi('poi_food_004', 'food', 'Bakery before pass', 236000, 47.25, 11.13, 'high', 500),
+  poi('poi_repair_002', 'repair', 'Repair station at trail hub', 266000, 47.18, 11.24, 'medium', 250),
+  poi('poi_bailout_003', 'bailout', 'Train station valley option', 265000, 47.18, 11.23, 'high', 1600),
+  poi('poi_water_007', 'water', 'Village fountain after pass', 282000, 47.22, 11.33, 'high', 70),
+  poi('poi_sleep_004', 'sleep', 'Budget inn', 305000, 47.16, 11.43, 'medium', 1700, { sleepType: 'hotel' }),
+  poi('poi_food_005', 'food', 'Supermarket last resupply', 312000, 47.14, 11.47, 'high', 600),
+  poi('poi_water_008', 'water', 'Town public tap', 339000, 47.19, 11.53, 'known_good', 45),
+  poi('poi_bailout_004', 'bailout', 'Mainline rail station', 350000, 47.215, 11.55, 'high', 900),
+  poi('poi_food_006', 'food', 'Innsbruck market hall', 370000, 47.25, 11.44, 'high', 400),
+  poi('poi_repair_003', 'repair', 'Innsbruck bike workshop', 380000, 47.267, 11.41, 'high', 500),
+  poi('poi_sleep_005', 'sleep', 'Finish hostel', 382000, 47.269, 11.404, 'high', 300, { sleepType: 'hostel' }),
+  poi('poi_water_009', 'water', 'Finish drinking fountain', 382000, 47.269, 11.404, 'high', 30)
+];
+
+export const mockRules: RuleCard[] = [
+  {
+    id: 'rule_bavaria_access_001',
+    ruleType: 'access',
+    jurisdiction: 'Bavaria mock corridor',
+    status: 'advisory',
+    confidence: 'medium',
+    summary: 'Forest and protected-area access can depend on local signage. Verify bicycle access at uncertain segments.',
+    sourceUrl: 'https://www.openstreetmap.org/copyright',
+    lastReviewedAt: '2026-07-02'
+  },
+  {
+    id: 'rule_tyrol_camping_001',
+    ruleType: 'camping',
+    jurisdiction: 'Tyrol mock corridor',
+    status: 'advisory',
+    confidence: 'low',
+    summary: 'Wild camping rules vary by municipality and protected status. Prefer official campsites or indoor lodging unless locally confirmed.',
+    sourceUrl: 'https://www.openstreetmap.org/copyright',
+    lastReviewedAt: '2026-07-02'
+  }
+];
+
+function poi(
+  id: string,
+  category: Poi['category'],
+  name: string,
+  metersFromStart: number,
+  lat: number,
+  lon: number,
+  confidence: Poi['confidence'],
+  detourDistanceM: number,
+  tags?: Record<string, string>
+): Poi {
+  return {
+    id,
+    category,
+    name,
+    location: { lat, lon },
+    source: 'mock_osm_fixture',
+    confidence,
+    metersFromStart,
+    distanceFromRouteM: Math.min(detourDistanceM, 2000),
+    detourDistanceM,
+    tags,
+    lastConfirmedAt: '2026-07-02T00:00:00.000Z'
+  };
+}
--- a/packages/shared/src/geo.d.ts
+++ b/packages/shared/src/geo.d.ts
@@ -0,0 +1,11 @@
+import type { Coordinate, RoutePlan } from './types.js';
+export declare function haversineDistanceM(a: Coordinate, b: Coordinate): number;
+export declare function polylineDistanceM(points: Coordinate[]): number;
+export declare function bboxForCoordinates(points: Coordinate[], paddingDegrees?: number): [number, number, number, number];
+export declare function routeMetersForSegments(route: RoutePlan): Array<{
+    id: string;
+    startM: number;
+    endM: number;
+}>;
+export declare function coordinateAtDistance(route: RoutePlan, meters: number): Coordinate;
+//# sourceMappingURL=geo.d.ts.map
--- a/packages/shared/src/geo.d.ts.map
+++ b/packages/shared/src/geo.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"geo.d.ts","sourceRoot":"","sources":["geo.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,UAAU,EAAE,SAAS,EAAE,MAAM,YAAY,CAAC;AAQxD,wBAAgB,kBAAkB,CAAC,CAAC,EAAE,UAAU,EAAE,CAAC,EAAE,UAAU,GAAG,MAAM,CASvE;AAED,wBAAgB,iBAAiB,CAAC,MAAM,EAAE,UAAU,EAAE,GAAG,MAAM,CAU9D;AAED,wBAAgB,kBAAkB,CAAC,MAAM,EAAE,UAAU,EAAE,EAAE,cAAc,SAAI,GAAG,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,CAkB7G;AAED,wBAAgB,sBAAsB,CAAC,KAAK,EAAE,SAAS,GAAG,KAAK,CAAC;IAAE,EAAE,EAAE,MAAM,CAAC;IAAC,MAAM,EAAE,MAAM,CAAC;IAAC,IAAI,EAAE,MAAM,CAAA;CAAE,CAAC,CAQ5G;AAED,wBAAgB,oBAAoB,CAAC,KAAK,EAAE,SAAS,EAAE,MAAM,EAAE,MAAM,GAAG,UAAU,CAejF"}
--- a/packages/shared/src/geo.js
+++ b/packages/shared/src/geo.js
@@ -0,0 +1,104 @@
+const EARTH_RADIUS_M = 6371008.8;
+function toRadians(value) {
+    return (value * Math.PI) / 180;
+}
+export function haversineDistanceM(a, b) {
+    const lat1 = toRadians(a.lat);
+    const lat2 = toRadians(b.lat);
+    const deltaLat = toRadians(b.lat - a.lat);
+    const deltaLon = toRadians(b.lon - a.lon);
+    const sinLat = Math.sin(deltaLat / 2);
+    const sinLon = Math.sin(deltaLon / 2);
+    const h = sinLat * sinLat + Math.cos(lat1) * Math.cos(lat2) * sinLon * sinLon;
+    return 2 * EARTH_RADIUS_M * Math.asin(Math.min(1, Math.sqrt(h)));
+}
+export function polylineDistanceM(points) {
+    let distance = 0;
+    for (let index = 1; index < points.length; index += 1) {
+        const previous = points[index - 1];
+        const current = points[index];
+        if (previous && current) {
+            distance += haversineDistanceM(previous, current);
+        }
+    }
+    return distance;
+}
+export function bboxForCoordinates(points, paddingDegrees = 0) {
+    if (points.length === 0) {
+        return [0, 0, 0, 0];
+    }
+    let minLon = points[0]?.lon ?? 0;
+    let minLat = points[0]?.lat ?? 0;
+    let maxLon = minLon;
+    let maxLat = minLat;
+    for (const point of points) {
+        minLon = Math.min(minLon, point.lon);
+        minLat = Math.min(minLat, point.lat);
+        maxLon = Math.max(maxLon, point.lon);
+        maxLat = Math.max(maxLat, point.lat);
+    }
+    return [minLon - paddingDegrees, minLat - paddingDegrees, maxLon + paddingDegrees, maxLat + paddingDegrees];
+}
+export function routeMetersForSegments(route) {
+    let cursor = 0;
+    return route.segments.map((segment) => {
+        const startM = segment.startMeters ?? cursor;
+        const endM = segment.endMeters ?? startM + segment.distanceM;
+        cursor = endM;
+        return { id: segment.id, startM, endM };
+    });
+}
+export function coordinateAtDistance(route, meters) {
+    const clampedMeters = Math.max(0, Math.min(route.distanceM, meters));
+    let cursor = 0;
+    for (const segment of route.segments) {
+        const startM = segment.startMeters ?? cursor;
+        const endM = segment.endMeters ?? startM + segment.distanceM;
+        if (clampedMeters >= startM && clampedMeters <= endM) {
+            const segmentPoints = segment.geometry.length >= 2 ? segment.geometry : route.geometry;
+            return interpolateAlongPolyline(segmentPoints, (clampedMeters - startM) / Math.max(1, endM - startM));
+        }
+        cursor = endM;
+    }
+    return route.geometry[route.geometry.length - 1] ?? { lat: 0, lon: 0 };
+}
+function interpolateAlongPolyline(points, fraction) {
+    if (points.length === 0) {
+        return { lat: 0, lon: 0 };
+    }
+    if (points.length === 1) {
+        return points[0] ?? { lat: 0, lon: 0 };
+    }
+    const distances = [0];
+    let total = 0;
+    for (let index = 1; index < points.length; index += 1) {
+        const previous = points[index - 1];
+        const current = points[index];
+        if (previous && current) {
+            total += haversineDistanceM(previous, current);
+            distances.push(total);
+        }
+    }
+    if (total === 0) {
+        return points[0] ?? { lat: 0, lon: 0 };
+    }
+    const target = Math.max(0, Math.min(1, fraction)) * total;
+    for (let index = 1; index < distances.length; index += 1) {
+        const previousDistance = distances[index - 1] ?? 0;
+        const currentDistance = distances[index] ?? previousDistance;
+        if (target <= currentDistance) {
+            const previous = points[index - 1];
+            const current = points[index];
+            if (!previous || !current) {
+                break;
+            }
+            const localFraction = (target - previousDistance) / Math.max(1, currentDistance - previousDistance);
+            return {
+                lat: previous.lat + (current.lat - previous.lat) * localFraction,
+                lon: previous.lon + (current.lon - previous.lon) * localFraction
+            };
+        }
+    }
+    return points[points.length - 1] ?? { lat: 0, lon: 0 };
+}
+//# sourceMappingURL=geo.js.map
--- a/packages/shared/src/geo.js.map
+++ b/packages/shared/src/geo.js.map
--- a/packages/shared/src/geo.ts
+++ b/packages/shared/src/geo.ts
@@ -0,0 +1,125 @@
+import type { Coordinate, RoutePlan } from './types.js';
+
+const EARTH_RADIUS_M = 6371008.8;
+
+function toRadians(value: number): number {
+  return (value * Math.PI) / 180;
+}
+
+export function haversineDistanceM(a: Coordinate, b: Coordinate): number {
+  const lat1 = toRadians(a.lat);
+  const lat2 = toRadians(b.lat);
+  const deltaLat = toRadians(b.lat - a.lat);
+  const deltaLon = toRadians(b.lon - a.lon);
+  const sinLat = Math.sin(deltaLat / 2);
+  const sinLon = Math.sin(deltaLon / 2);
+  const h = sinLat * sinLat + Math.cos(lat1) * Math.cos(lat2) * sinLon * sinLon;
+  return 2 * EARTH_RADIUS_M * Math.asin(Math.min(1, Math.sqrt(h)));
+}
+
+export function polylineDistanceM(points: Coordinate[]): number {
+  let distance = 0;
+  for (let index = 1; index < points.length; index += 1) {
+    const previous = points[index - 1];
+    const current = points[index];
+    if (previous && current) {
+      distance += haversineDistanceM(previous, current);
+    }
+  }
+  return distance;
+}
+
+export function bboxForCoordinates(points: Coordinate[], paddingDegrees = 0): [number, number, number, number] {
+  if (points.length === 0) {
+    return [0, 0, 0, 0];
+  }
+
+  let minLon = points[0]?.lon ?? 0;
+  let minLat = points[0]?.lat ?? 0;
+  let maxLon = minLon;
+  let maxLat = minLat;
+
+  for (const point of points) {
+    minLon = Math.min(minLon, point.lon);
+    minLat = Math.min(minLat, point.lat);
+    maxLon = Math.max(maxLon, point.lon);
+    maxLat = Math.max(maxLat, point.lat);
+  }
+
+  return [minLon - paddingDegrees, minLat - paddingDegrees, maxLon + paddingDegrees, maxLat + paddingDegrees];
+}
+
+export function routeMetersForSegments(route: RoutePlan): Array<{ id: string; startM: number; endM: number }> {
+  let cursor = 0;
+  return route.segments.map((segment) => {
+    const startM = segment.startMeters ?? cursor;
+    const endM = segment.endMeters ?? startM + segment.distanceM;
+    cursor = endM;
+    return { id: segment.id, startM, endM };
+  });
+}
+
+export function coordinateAtDistance(route: RoutePlan, meters: number): Coordinate {
+  const clampedMeters = Math.max(0, Math.min(route.distanceM, meters));
+  let cursor = 0;
+
+  for (const segment of route.segments) {
+    const startM = segment.startMeters ?? cursor;
+    const endM = segment.endMeters ?? startM + segment.distanceM;
+    if (clampedMeters >= startM && clampedMeters <= endM) {
+      const segmentPoints = segment.geometry.length >= 2 ? segment.geometry : route.geometry;
+      return interpolateAlongPolyline(segmentPoints, (clampedMeters - startM) / Math.max(1, endM - startM));
+    }
+    cursor = endM;
+  }
+
+  return route.geometry[route.geometry.length - 1] ?? { lat: 0, lon: 0 };
+}
+
+function interpolateAlongPolyline(points: Coordinate[], fraction: number): Coordinate {
+  if (points.length === 0) {
+    return { lat: 0, lon: 0 };
+  }
+  if (points.length === 1) {
+    return points[0] ?? { lat: 0, lon: 0 };
+  }
+
+  const distances: number[] = [0];
+  let total = 0;
+  for (let index = 1; index < points.length; index += 1) {
+    const previous = points[index - 1];
+    const current = points[index];
+    if (previous && current) {
+      total += haversineDistanceM(previous, current);
+      distances.push(total);
+    }
+  }
+
+  if (total === 0) {
+    return points[0] ?? { lat: 0, lon: 0 };
+  }
+
+  const target = Math.max(0, Math.min(1, fraction)) * total;
+  for (let index = 1; index < distances.length; index += 1) {
+    const previousDistance = distances[index - 1] ?? 0;
+    const currentDistance = distances[index] ?? previousDistance;
+    if (target <= currentDistance) {
+      const previous = points[index - 1];
+      const current = points[index];
+      if (!previous || !current) {
+        break;
+      }
+      const localFraction = (target - previousDistance) / Math.max(1, currentDistance - previousDistance);
+      const coordinate: Coordinate = {
+        lat: previous.lat + (current.lat - previous.lat) * localFraction,
+        lon: previous.lon + (current.lon - previous.lon) * localFraction
+      };
+      if (typeof previous.elevationM === 'number' && typeof current.elevationM === 'number') {
+        coordinate.elevationM = previous.elevationM + (current.elevationM - previous.elevationM) * localFraction;
+      }
+      return coordinate;
+    }
+  }
+
+  return points[points.length - 1] ?? { lat: 0, lon: 0 };
+}
--- a/packages/shared/src/gpx.d.ts
+++ b/packages/shared/src/gpx.d.ts
@@ -0,0 +1,9 @@
+import type { Poi, RoutePlan, StagePlan } from './types.js';
+export type GpxOptions = {
+    name?: string;
+    description?: string;
+    includePois?: boolean;
+    attribution?: string[];
+};
+export declare function exportRouteToGpx(route: RoutePlan, stages?: StagePlan[], pois?: Poi[], options?: GpxOptions): string;
+//# sourceMappingURL=gpx.d.ts.map
--- a/packages/shared/src/gpx.d.ts.map
+++ b/packages/shared/src/gpx.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"gpx.d.ts","sourceRoot":"","sources":["gpx.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,GAAG,EAAE,SAAS,EAAE,SAAS,EAAE,MAAM,YAAY,CAAC;AAE5D,MAAM,MAAM,UAAU,GAAG;IACvB,IAAI,CAAC,EAAE,MAAM,CAAC;IACd,WAAW,CAAC,EAAE,MAAM,CAAC;IACrB,WAAW,CAAC,EAAE,OAAO,CAAC;IACtB,WAAW,CAAC,EAAE,MAAM,EAAE,CAAC;CACxB,CAAC;AAEF,wBAAgB,gBAAgB,CAAC,KAAK,EAAE,SAAS,EAAE,MAAM,GAAE,SAAS,EAAO,EAAE,IAAI,GAAE,GAAG,EAAO,EAAE,OAAO,GAAE,UAAe,GAAG,MAAM,CA8C/H"}
--- a/packages/shared/src/gpx.js
+++ b/packages/shared/src/gpx.js
@@ -0,0 +1,70 @@
+import { coordinateAtDistance } from './geo.js';
+export function exportRouteToGpx(route, stages = [], pois = [], options = {}) {
+    const metadataName = options.name ?? `Pikebacker ${route.id}`;
+    const metadataDescription = options.description ??
+        'Bikepacking route export with stage endpoints and route-corridor logistics POIs. Advisory information is confidence-scored and not legal advice.';
+    const attribution = options.attribution ?? route.attribution ?? ['Contains OSM-derived fixture data for MVP testing.'];
+    const stageWaypoints = stages.map((stage) => {
+        const coordinate = coordinateAtDistance(route, stage.endMeters);
+        return waypointXml(coordinate.lat, coordinate.lon, `Stage ${stage.dayIndex} end`, 'stage-end', {
+            routeMeters: String(stage.endMeters)
+        });
+    });
+    const poiWaypoints = options.includePois
+        ? pois.map((poi) => waypointXml(poi.location.lat, poi.location.lon, poi.name, poi.category, {
+            confidence: poi.confidence,
+            metersFromStart: String(poi.metersFromStart ?? ''),
+            source: poi.source
+        }))
+        : [];
+    const routePoints = route.geometry
+        .map((point) => `      <rtept lat="${number(point.lat)}" lon="${number(point.lon)}" />`)
+        .join('\n');
+    return `<?xml version="1.0" encoding="UTF-8"?>
+<gpx version="1.1" creator="Pikebacker MVP" xmlns="http://www.topografix.com/GPX/1/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 https://www.topografix.com/GPX/1/1/gpx.xsd">
+  <metadata>
+    <name>${escapeXml(metadataName)}</name>
+    <desc>${escapeXml(metadataDescription)}</desc>
+    <copyright author="OpenStreetMap contributors">
+      <license>https://www.openstreetmap.org/copyright</license>
+    </copyright>
+    <extensions>
+      <pikebacker:attribution xmlns:pikebacker="https://pikebacker.local/schema">${escapeXml(attribution.join(' | '))}</pikebacker:attribution>
+      <pikebacker:suitabilityScore xmlns:pikebacker="https://pikebacker.local/schema">${route.suitabilityScore.toFixed(1)}</pikebacker:suitabilityScore>
+    </extensions>
+  </metadata>
+${[...stageWaypoints, ...poiWaypoints].join('\n')}
+  <rte>
+    <name>${escapeXml(metadataName)}</name>
+    <desc>${escapeXml(`Distance ${(route.distanceM / 1000).toFixed(1)} km, ascent ${route.ascentM} m`)}</desc>
+${routePoints}
+  </rte>
+</gpx>
+`;
+}
+function waypointXml(lat, lon, name, type, extensions) {
+    const extensionEntries = Object.entries(extensions)
+        .filter(([, value]) => value !== '')
+        .map(([key, value]) => `      <pikebacker:${escapeXmlName(key)} xmlns:pikebacker="https://pikebacker.local/schema">${escapeXml(value)}</pikebacker:${escapeXmlName(key)}>`)
+        .join('\n');
+    const extensionsXml = extensionEntries ? `\n    <extensions>\n${extensionEntries}\n    </extensions>` : '';
+    return `  <wpt lat="${number(lat)}" lon="${number(lon)}">
+    <name>${escapeXml(name)}</name>
+    <type>${escapeXml(type)}</type>${extensionsXml}
+  </wpt>`;
+}
+function escapeXml(value) {
+    return value
+        .replaceAll('&', '&amp;')
+        .replaceAll('<', '&lt;')
+        .replaceAll('>', '&gt;')
+        .replaceAll('"', '&quot;')
+        .replaceAll("'", '&apos;');
+}
+function escapeXmlName(value) {
+    return value.replace(/[^A-Za-z0-9_.-]/g, '');
+}
+function number(value) {
+    return value.toFixed(6);
+}
+//# sourceMappingURL=gpx.js.map
--- a/packages/shared/src/gpx.js.map
+++ b/packages/shared/src/gpx.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"gpx.js","sourceRoot":"","sources":["gpx.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,oBAAoB,EAAE,MAAM,UAAU,CAAC;AAUhD,MAAM,UAAU,gBAAgB,CAAC,KAAgB,EAAE,SAAsB,EAAE,EAAE,OAAc,EAAE,EAAE,UAAsB,EAAE;IACrH,MAAM,YAAY,GAAG,OAAO,CAAC,IAAI,IAAI,cAAc,KAAK,CAAC,EAAE,EAAE,CAAC;IAC9D,MAAM,mBAAmB,GACvB,OAAO,CAAC,WAAW;QACnB,kJAAkJ,CAAC;IACrJ,MAAM,WAAW,GAAG,OAAO,CAAC,WAAW,IAAI,KAAK,CAAC,WAAW,IAAI,CAAC,oDAAoD,CAAC,CAAC;IACvH,MAAM,cAAc,GAAG,MAAM,CAAC,GAAG,CAAC,CAAC,KAAK,EAAE,EAAE;QAC1C,MAAM,UAAU,GAAG,oBAAoB,CAAC,KAAK,EAAE,KAAK,CAAC,SAAS,CAAC,CAAC;QAChE,OAAO,WAAW,CAAC,UAAU,CAAC,GAAG,EAAE,UAAU,CAAC,GAAG,EAAE,SAAS,KAAK,CAAC,QAAQ,MAAM,EAAE,WAAW,EAAE;YAC7F,WAAW,EAAE,MAAM,CAAC,KAAK,CAAC,SAAS,CAAC;SACrC,CAAC,CAAC;IACL,CAAC,CAAC,CAAC;IACH,MAAM,YAAY,GAAG,OAAO,CAAC,WAAW;QACtC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,GAAG,EAAE,EAAE,CACf,WAAW,CAAC,GAAG,CAAC,QAAQ,CAAC,GAAG,EAAE,GAAG,CAAC,QAAQ,CAAC,GAAG,EAAE,GAAG,CAAC,IAAI,EAAE,GAAG,CAAC,QAAQ,EAAE;YACtE,UAAU,EAAE,GAAG,CAAC,UAAU;YAC1B,eAAe,EAAE,MAAM,CAAC,GAAG,CAAC,eAAe,IAAI,EAAE,CAAC;YAClD,MAAM,EAAE,GAAG,CAAC,MAAM;SACnB,CAAC,CACH;QACH,CAAC,CAAC,EAAE,CAAC;IACP,MAAM,WAAW,GAAG,KAAK,CAAC,QAAQ;SAC/B,GAAG,CAAC,CAAC,KAAK,EAAE,EAAE,CAAC,qBAAqB,MAAM,CAAC,KAAK,CAAC,GAAG,CAAC,UAAU,MAAM,CAAC,KAAK,CAAC,GAAG,CAAC,MAAM,CAAC;SACvF,IAAI,CAAC,IAAI,CAAC,CAAC;IAEd,OAAO;;;YAGG,SAAS,CAAC,YAAY,CAAC;YACvB,SAAS,CAAC,mBAAmB,CAAC;;;;;mFAKyC,SAAS,CAAC,WAAW,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;wFAC7B,KAAK,CAAC,gBAAgB,CAAC,OAAO,CAAC,CAAC,CAAC;;;EAGvH,CAAC,GAAG,cAAc,EAAE,GAAG,YAAY,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC;;YAErC,SAAS,CAAC,YAAY,CAAC;YACvB,SAAS,CAAC,YAAY,CAAC,KAAK,CAAC,SAAS,GAAG,IAAI,CAAC,CAAC,OAAO,CAAC,CAAC,CAAC,eAAe,KAAK,CAAC,OAAO,IAAI,CAAC;EACpG,WAAW;;;CAGZ,CAAC;AACF,CAAC;AAED,SAAS,WAAW,CAAC,GAAW,EAAE,GAAW,EAAE,IAAY,EAAE,IAAY,EAAE,UAAkC;IAC3G,MAAM,gBAAgB,GAAG,MAAM,CAAC,OAAO,CAAC,UAAU,CAAC;SAChD,MAAM,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,EAAE,EAAE,CAAC,KAAK,KAAK,EAAE,CAAC;SACnC,GAAG,CACF,CAAC,CAAC,GAAG,EAAE,KAAK,CAAC,EAAE,EAAE,CACf,qBAAqB,aAAa,CAAC,GAAG,CAAC,uDAAuD,SAAS,CAAC,KAAK,CAAC,gBAAgB,aAAa,CAAC,GAAG,CAAC,GAAG,CACtJ;SACA,IAAI,CAAC,IAAI,CAAC,CAAC;IACd,MAAM,aAAa,GAAG,gBAAgB,CAAC,CAAC,CAAC,uBAAuB,gBAAgB,qBAAqB,CAAC,CAAC,CAAC,EAAE,CAAC;IAC3G,OAAO,eAAe,MAAM,CAAC,GAAG,CAAC,UAAU,MAAM,CAAC,GAAG,CAAC;YAC5C,SAAS,CAAC,IAAI,CAAC;YACf,SAAS,CAAC,IAAI,CAAC,UAAU,aAAa;SACzC,CAAC;AACV,CAAC;AAED,SAAS,SAAS,CAAC,KAAa;IAC9B,OAAO,KAAK;SACT,UAAU,CAAC,GAAG,EAAE,OAAO,CAAC;SACxB,UAAU,CAAC,GAAG,EAAE,MAAM,CAAC;SACvB,UAAU,CAAC,GAAG,EAAE,MAAM,CAAC;SACvB,UAAU,CAAC,GAAG,EAAE,QAAQ,CAAC;SACzB,UAAU,CAAC,GAAG,EAAE,QAAQ,CAAC,CAAC;AAC/B,CAAC;AAED,SAAS,aAAa,CAAC,KAAa;IAClC,OAAO,KAAK,CAAC,OAAO,CAAC,kBAAkB,EAAE,EAAE,CAAC,CAAC;AAC/C,CAAC;AAED,SAAS,MAAM,CAAC,KAAa;IAC3B,OAAO,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC;AAC1B,CAAC"}
--- a/packages/shared/src/gpx.test.ts
+++ b/packages/shared/src/gpx.test.ts
@@ -0,0 +1,20 @@
+import { XMLParser } from 'fast-xml-parser';
+import { describe, expect, it } from 'vitest';
+import { createMockRoute, mockPois, mockTripRequest } from './fixtures.js';
+import { exportRouteToGpx } from './gpx.js';
+import { planStages } from './staging.js';
+
+describe('GPX export', () => {
+  it('serializes valid GPX with route points, stage waypoints, POIs, and attribution', () => {
+    const route = createMockRoute();
+    const stages = planStages(route, mockPois, mockTripRequest);
+    const gpx = exportRouteToGpx(route, stages, mockPois, { includePois: true, name: 'Fixture route' });
+    const parsed = new XMLParser({ ignoreAttributes: false }).parse(gpx) as { gpx?: unknown };
+
+    expect(parsed.gpx).toBeTruthy();
+    expect(gpx).toContain('<rtept lat="48.137000" lon="11.575000" />');
+    expect(gpx).toContain('<name>Stage 1 end</name>');
+    expect(gpx).toContain('OpenStreetMap contributors');
+    expect(gpx).toContain('mock_osm_fixture');
+  });
+});
--- a/packages/shared/src/gpx.ts
+++ b/packages/shared/src/gpx.ts
@@ -0,0 +1,89 @@
+import { coordinateAtDistance } from './geo.js';
+import type { Poi, RoutePlan, StagePlan } from './types.js';
+
+export type GpxOptions = {
+  name?: string;
+  description?: string;
+  includePois?: boolean;
+  attribution?: string[];
+};
+
+export function exportRouteToGpx(route: RoutePlan, stages: StagePlan[] = [], pois: Poi[] = [], options: GpxOptions = {}): string {
+  const metadataName = options.name ?? `Pikebacker ${route.id}`;
+  const metadataDescription =
+    options.description ??
+    'Bikepacking route export with stage endpoints and route-corridor logistics POIs. Advisory information is confidence-scored and not legal advice.';
+  const attribution = options.attribution ?? route.attribution ?? ['Contains OSM-derived fixture data for MVP testing.'];
+  const stageWaypoints = stages.map((stage) => {
+    const coordinate = coordinateAtDistance(route, stage.endMeters);
+    return waypointXml(coordinate.lat, coordinate.lon, `Stage ${stage.dayIndex} end`, 'stage-end', {
+      routeMeters: String(stage.endMeters)
+    });
+  });
+  const poiWaypoints = options.includePois
+    ? pois.map((poi) =>
+        waypointXml(poi.location.lat, poi.location.lon, poi.name, poi.category, {
+          confidence: poi.confidence,
+          metersFromStart: String(poi.metersFromStart ?? ''),
+          source: poi.source
+        })
+      )
+    : [];
+  const routePoints = route.geometry
+    .map((point) => `      <rtept lat="${number(point.lat)}" lon="${number(point.lon)}" />`)
+    .join('\n');
+
+  return `<?xml version="1.0" encoding="UTF-8"?>
+<gpx version="1.1" creator="Pikebacker MVP" xmlns="http://www.topografix.com/GPX/1/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 https://www.topografix.com/GPX/1/1/gpx.xsd">
+  <metadata>
+    <name>${escapeXml(metadataName)}</name>
+    <desc>${escapeXml(metadataDescription)}</desc>
+    <copyright author="OpenStreetMap contributors">
+      <license>https://www.openstreetmap.org/copyright</license>
+    </copyright>
+    <extensions>
+      <pikebacker:attribution xmlns:pikebacker="https://pikebacker.local/schema">${escapeXml(attribution.join(' | '))}</pikebacker:attribution>
+      <pikebacker:suitabilityScore xmlns:pikebacker="https://pikebacker.local/schema">${route.suitabilityScore.toFixed(1)}</pikebacker:suitabilityScore>
+    </extensions>
+  </metadata>
+${[...stageWaypoints, ...poiWaypoints].join('\n')}
+  <rte>
+    <name>${escapeXml(metadataName)}</name>
+    <desc>${escapeXml(`Distance ${(route.distanceM / 1000).toFixed(1)} km, ascent ${route.ascentM} m`)}</desc>
+${routePoints}
+  </rte>
+</gpx>
+`;
+}
+
+function waypointXml(lat: number, lon: number, name: string, type: string, extensions: Record<string, string>): string {
+  const extensionEntries = Object.entries(extensions)
+    .filter(([, value]) => value !== '')
+    .map(
+      ([key, value]) =>
+        `      <pikebacker:${escapeXmlName(key)} xmlns:pikebacker="https://pikebacker.local/schema">${escapeXml(value)}</pikebacker:${escapeXmlName(key)}>`
+    )
+    .join('\n');
+  const extensionsXml = extensionEntries ? `\n    <extensions>\n${extensionEntries}\n    </extensions>` : '';
+  return `  <wpt lat="${number(lat)}" lon="${number(lon)}">
+    <name>${escapeXml(name)}</name>
+    <type>${escapeXml(type)}</type>${extensionsXml}
+  </wpt>`;
+}
+
+function escapeXml(value: string): string {
+  return value
+    .replaceAll('&', '&amp;')
+    .replaceAll('<', '&lt;')
+    .replaceAll('>', '&gt;')
+    .replaceAll('"', '&quot;')
+    .replaceAll("'", '&apos;');
+}
+
+function escapeXmlName(value: string): string {
+  return value.replace(/[^A-Za-z0-9_.-]/g, '');
+}
+
+function number(value: number): string {
+  return value.toFixed(6);
+}
--- a/packages/shared/src/index.d.ts
+++ b/packages/shared/src/index.d.ts
@@ -0,0 +1,10 @@
+export * from './types.js';
+export * from './profiles.js';
+export * from './geo.js';
+export * from './scoring.js';
+export * from './pois.js';
+export * from './staging.js';
+export * from './gpx.js';
+export * from './offline.js';
+export * from './fixtures.js';
+//# sourceMappingURL=index.d.ts.map
--- a/packages/shared/src/index.d.ts.map
+++ b/packages/shared/src/index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["index.ts"],"names":[],"mappings":"AAAA,cAAc,YAAY,CAAC;AAC3B,cAAc,eAAe,CAAC;AAC9B,cAAc,UAAU,CAAC;AACzB,cAAc,cAAc,CAAC;AAC7B,cAAc,WAAW,CAAC;AAC1B,cAAc,cAAc,CAAC;AAC7B,cAAc,UAAU,CAAC;AACzB,cAAc,cAAc,CAAC;AAC7B,cAAc,eAAe,CAAC"}
--- a/packages/shared/src/index.js
+++ b/packages/shared/src/index.js
@@ -0,0 +1,10 @@
+export * from './types.js';
+export * from './profiles.js';
+export * from './geo.js';
+export * from './scoring.js';
+export * from './pois.js';
+export * from './staging.js';
+export * from './gpx.js';
+export * from './offline.js';
+export * from './fixtures.js';
+//# sourceMappingURL=index.js.map
--- a/packages/shared/src/index.js.map
+++ b/packages/shared/src/index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["index.ts"],"names":[],"mappings":"AAAA,cAAc,YAAY,CAAC;AAC3B,cAAc,eAAe,CAAC;AAC9B,cAAc,UAAU,CAAC;AACzB,cAAc,cAAc,CAAC;AAC7B,cAAc,WAAW,CAAC;AAC1B,cAAc,cAAc,CAAC;AAC7B,cAAc,UAAU,CAAC;AACzB,cAAc,cAAc,CAAC;AAC7B,cAAc,eAAe,CAAC"}
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -0,0 +1,9 @@
+export * from './types.js';
+export * from './profiles.js';
+export * from './geo.js';
+export * from './scoring.js';
+export * from './pois.js';
+export * from './staging.js';
+export * from './gpx.js';
+export * from './offline.js';
+export * from './fixtures.js';
--- a/packages/shared/src/offline.d.ts
+++ b/packages/shared/src/offline.d.ts
@@ -0,0 +1,13 @@
+import type { OfflinePackManifest, Poi, RoutePlan, RuleCard, StagePlan } from './types.js';
+export type OfflinePackInput = {
+    tripId: string;
+    route: RoutePlan;
+    stages: StagePlan[];
+    pois: Poi[];
+    rules: RuleCard[];
+    routeBufferKm?: number;
+    createdAt?: string;
+    gpxBytes?: number;
+};
+export declare function createOfflinePackManifest(input: OfflinePackInput): OfflinePackManifest;
+//# sourceMappingURL=offline.d.ts.map
--- a/packages/shared/src/offline.d.ts.map
+++ b/packages/shared/src/offline.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"offline.d.ts","sourceRoot":"","sources":["offline.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,mBAAmB,EAAE,GAAG,EAAE,SAAS,EAAgB,QAAQ,EAAE,SAAS,EAAE,MAAM,YAAY,CAAC;AAEzG,MAAM,MAAM,gBAAgB,GAAG;IAC7B,MAAM,EAAE,MAAM,CAAC;IACf,KAAK,EAAE,SAAS,CAAC;IACjB,MAAM,EAAE,SAAS,EAAE,CAAC;IACpB,IAAI,EAAE,GAAG,EAAE,CAAC;IACZ,KAAK,EAAE,QAAQ,EAAE,CAAC;IAClB,aAAa,CAAC,EAAE,MAAM,CAAC;IACvB,SAAS,CAAC,EAAE,MAAM,CAAC;IACnB,QAAQ,CAAC,EAAE,MAAM,CAAC;CACnB,CAAC;AAEF,wBAAgB,yBAAyB,CAAC,KAAK,EAAE,gBAAgB,GAAG,mBAAmB,CAoDtF"}
--- a/packages/shared/src/offline.js
+++ b/packages/shared/src/offline.js
@@ -0,0 +1,59 @@
+import { bboxForCoordinates } from './geo.js';
+export function createOfflinePackManifest(input) {
+    const createdAt = input.createdAt ?? '2026-07-02T00:00:00.000Z';
+    const routeBufferKm = input.routeBufferKm ?? 5;
+    const bboxPaddingDegrees = routeBufferKm / 111;
+    const warnings = [
+        {
+            code: 'OFFLINE_TILES_UNAVAILABLE',
+            severity: 'notice',
+            title: 'Offline map tiles not bundled',
+            message: 'MVP pack includes route, POIs, stages, rules, GPX, and report queue metadata. Tile files are represented as future references.'
+        },
+        {
+            code: 'OFFLINE_REROUTING_UNAVAILABLE',
+            severity: 'notice',
+            title: 'Offline rerouting unavailable',
+            message: 'Use the cached route and bailout POIs offline. Full offline routing graph support is not included in the MVP manifest.'
+        }
+    ];
+    return {
+        packId: `pack_${input.tripId}_${input.route.id}`,
+        tripId: input.tripId,
+        routeId: input.route.id,
+        createdAt,
+        bbox: bboxForCoordinates(input.route.geometry, bboxPaddingDegrees),
+        routeBufferKm,
+        includedLayers: [
+            'route_geometry',
+            'stage_plan',
+            'route_corridor_pois',
+            'critical_gaps',
+            'rule_cards',
+            'gpx_export',
+            'offline_report_queue'
+        ],
+        dataVersions: {
+            osm_extract: 'mock-osm-fixture-2026-07-02',
+            poi_index: 'mock-poi-fixture-2026-07-02',
+            rules: 'mock-rules-2026-07-02',
+            scoring_model: 'pikebacker-mvp-0.1.0'
+        },
+        files: [
+            { type: 'route_json', path: `offline://${input.route.id}/route.json` },
+            { type: 'stages_json', path: `offline://${input.route.id}/stages.json` },
+            { type: 'pois_json', path: `offline://${input.route.id}/pois.json` },
+            { type: 'rules_json', path: `offline://${input.route.id}/rules.json` },
+            { type: 'gpx', path: `offline://${input.route.id}/route.gpx`, bytes: input.gpxBytes },
+            { type: 'tile_pack_placeholder', path: `offline://${input.route.id}/tiles.pmtiles`, bytes: 0 }
+        ],
+        warnings,
+        expiresAt: addDaysIso(createdAt, 14)
+    };
+}
+function addDaysIso(isoDate, days) {
+    const date = new Date(isoDate);
+    date.setUTCDate(date.getUTCDate() + days);
+    return date.toISOString();
+}
+//# sourceMappingURL=offline.js.map
--- a/packages/shared/src/offline.js.map
+++ b/packages/shared/src/offline.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"offline.js","sourceRoot":"","sources":["offline.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,kBAAkB,EAAE,MAAM,UAAU,CAAC;AAc9C,MAAM,UAAU,yBAAyB,CAAC,KAAuB;IAC/D,MAAM,SAAS,GAAG,KAAK,CAAC,SAAS,IAAI,0BAA0B,CAAC;IAChE,MAAM,aAAa,GAAG,KAAK,CAAC,aAAa,IAAI,CAAC,CAAC;IAC/C,MAAM,kBAAkB,GAAG,aAAa,GAAG,GAAG,CAAC;IAC/C,MAAM,QAAQ,GAAmB;QAC/B;YACE,IAAI,EAAE,2BAA2B;YACjC,QAAQ,EAAE,QAAQ;YAClB,KAAK,EAAE,+BAA+B;YACtC,OAAO,EAAE,gIAAgI;SAC1I;QACD;YACE,IAAI,EAAE,+BAA+B;YACrC,QAAQ,EAAE,QAAQ;YAClB,KAAK,EAAE,+BAA+B;YACtC,OAAO,EAAE,wHAAwH;SAClI;KACF,CAAC;IAEF,OAAO;QACL,MAAM,EAAE,QAAQ,KAAK,CAAC,MAAM,IAAI,KAAK,CAAC,KAAK,CAAC,EAAE,EAAE;QAChD,MAAM,EAAE,KAAK,CAAC,MAAM;QACpB,OAAO,EAAE,KAAK,CAAC,KAAK,CAAC,EAAE;QACvB,SAAS;QACT,IAAI,EAAE,kBAAkB,CAAC,KAAK,CAAC,KAAK,CAAC,QAAQ,EAAE,kBAAkB,CAAC;QAClE,aAAa;QACb,cAAc,EAAE;YACd,gBAAgB;YAChB,YAAY;YACZ,qBAAqB;YACrB,eAAe;YACf,YAAY;YACZ,YAAY;YACZ,sBAAsB;SACvB;QACD,YAAY,EAAE;YACZ,WAAW,EAAE,6BAA6B;YAC1C,SAAS,EAAE,6BAA6B;YACxC,KAAK,EAAE,uBAAuB;YAC9B,aAAa,EAAE,sBAAsB;SACtC;QACD,KAAK,EAAE;YACL,EAAE,IAAI,EAAE,YAAY,EAAE,IAAI,EAAE,aAAa,KAAK,CAAC,KAAK,CAAC,EAAE,aAAa,EAAE;YACtE,EAAE,IAAI,EAAE,aAAa,EAAE,IAAI,EAAE,aAAa,KAAK,CAAC,KAAK,CAAC,EAAE,cAAc,EAAE;YACxE,EAAE,IAAI,EAAE,WAAW,EAAE,IAAI,EAAE,aAAa,KAAK,CAAC,KAAK,CAAC,EAAE,YAAY,EAAE;YACpE,EAAE,IAAI,EAAE,YAAY,EAAE,IAAI,EAAE,aAAa,KAAK,CAAC,KAAK,CAAC,EAAE,aAAa,EAAE;YACtE,EAAE,IAAI,EAAE,KAAK,EAAE,IAAI,EAAE,aAAa,KAAK,CAAC,KAAK,CAAC,EAAE,YAAY,EAAE,KAAK,EAAE,KAAK,CAAC,QAAQ,EAAE;YACrF,EAAE,IAAI,EAAE,uBAAuB,EAAE,IAAI,EAAE,aAAa,KAAK,CAAC,KAAK,CAAC,EAAE,gBAAgB,EAAE,KAAK,EAAE,CAAC,EAAE;SAC/F;QACD,QAAQ;QACR,SAAS,EAAE,UAAU,CAAC,SAAS,EAAE,EAAE,CAAC;KACrC,CAAC;AACJ,CAAC;AAED,SAAS,UAAU,CAAC,OAAe,EAAE,IAAY;IAC/C,MAAM,IAAI,GAAG,IAAI,IAAI,CAAC,OAAO,CAAC,CAAC;IAC/B,IAAI,CAAC,UAAU,CAAC,IAAI,CAAC,UAAU,EAAE,GAAG,IAAI,CAAC,CAAC;IAC1C,OAAO,IAAI,CAAC,WAAW,EAAE,CAAC;AAC5B,CAAC"}
--- a/packages/shared/src/offline.ts
+++ b/packages/shared/src/offline.ts
@@ -0,0 +1,73 @@
+import { bboxForCoordinates } from './geo.js';
+import type { OfflinePackManifest, Poi, RoutePlan, RouteWarning, RuleCard, StagePlan } from './types.js';
+
+export type OfflinePackInput = {
+  tripId: string;
+  route: RoutePlan;
+  stages: StagePlan[];
+  pois: Poi[];
+  rules: RuleCard[];
+  routeBufferKm?: number;
+  createdAt?: string;
+  gpxBytes?: number;
+};
+
+export function createOfflinePackManifest(input: OfflinePackInput): OfflinePackManifest {
+  const createdAt = input.createdAt ?? '2026-07-02T00:00:00.000Z';
+  const routeBufferKm = input.routeBufferKm ?? 5;
+  const bboxPaddingDegrees = routeBufferKm / 111;
+  const warnings: RouteWarning[] = [
+    {
+      code: 'OFFLINE_TILES_UNAVAILABLE',
+      severity: 'notice',
+      title: 'Offline map tiles not bundled',
+      message: 'MVP pack includes route, POIs, stages, rules, GPX, and report queue metadata. Tile files are represented as future references.'
+    },
+    {
+      code: 'OFFLINE_REROUTING_UNAVAILABLE',
+      severity: 'notice',
+      title: 'Offline rerouting unavailable',
+      message: 'Use the cached route and bailout POIs offline. Full offline routing graph support is not included in the MVP manifest.'
+    }
+  ];
+
+  return {
+    packId: `pack_${input.tripId}_${input.route.id}`,
+    tripId: input.tripId,
+    routeId: input.route.id,
+    createdAt,
+    bbox: bboxForCoordinates(input.route.geometry, bboxPaddingDegrees),
+    routeBufferKm,
+    includedLayers: [
+      'route_geometry',
+      'stage_plan',
+      'route_corridor_pois',
+      'critical_gaps',
+      'rule_cards',
+      'gpx_export',
+      'offline_report_queue'
+    ],
+    dataVersions: {
+      osm_extract: 'mock-osm-fixture-2026-07-02',
+      poi_index: 'mock-poi-fixture-2026-07-02',
+      rules: 'mock-rules-2026-07-02',
+      scoring_model: 'pikebacker-mvp-0.1.0'
+    },
+    files: [
+      { type: 'route_json', path: `offline://${input.route.id}/route.json` },
+      { type: 'stages_json', path: `offline://${input.route.id}/stages.json` },
+      { type: 'pois_json', path: `offline://${input.route.id}/pois.json` },
+      { type: 'rules_json', path: `offline://${input.route.id}/rules.json` },
+      { type: 'gpx', path: `offline://${input.route.id}/route.gpx`, bytes: input.gpxBytes },
+      { type: 'tile_pack_placeholder', path: `offline://${input.route.id}/tiles.pmtiles`, bytes: 0 }
+    ],
+    warnings,
+    expiresAt: addDaysIso(createdAt, 14)
+  };
+}
+
+function addDaysIso(isoDate: string, days: number): string {
+  const date = new Date(isoDate);
+  date.setUTCDate(date.getUTCDate() + days);
+  return date.toISOString();
+}
--- a/packages/shared/src/pois.d.ts
+++ b/packages/shared/src/pois.d.ts
@@ -0,0 +1,15 @@
+import type { CriticalGapThresholds, Poi, PoiCategory, RoutePlan, ServiceGap, WarningSeverity } from './types.js';
+export type CorridorFilter = {
+    category?: PoiCategory;
+    bufferKm?: number;
+};
+export declare function filterPoisByCorridor(pois: Poi[], _route: RoutePlan, filter?: CorridorFilter): Poi[];
+export declare function detectCriticalGaps(route: RoutePlan, pois: Poi[], thresholds: CriticalGapThresholds): ServiceGap[];
+export declare function warningsFromGaps(gaps: ServiceGap[]): {
+    code: string;
+    severity: WarningSeverity;
+    title: string;
+    message: string;
+    metersFromStart: number;
+}[];
+//# sourceMappingURL=pois.d.ts.map
--- a/packages/shared/src/pois.d.ts.map
+++ b/packages/shared/src/pois.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"pois.d.ts","sourceRoot":"","sources":["pois.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,qBAAqB,EAAE,GAAG,EAAE,WAAW,EAAE,SAAS,EAAE,UAAU,EAAE,eAAe,EAAE,MAAM,YAAY,CAAC;AAIlH,MAAM,MAAM,cAAc,GAAG;IAC3B,QAAQ,CAAC,EAAE,WAAW,CAAC;IACvB,QAAQ,CAAC,EAAE,MAAM,CAAC;CACnB,CAAC;AAEF,wBAAgB,oBAAoB,CAAC,IAAI,EAAE,GAAG,EAAE,EAAE,MAAM,EAAE,SAAS,EAAE,MAAM,GAAE,cAAmB,GAAG,GAAG,EAAE,CAMvG;AAED,wBAAgB,kBAAkB,CAChC,KAAK,EAAE,SAAS,EAChB,IAAI,EAAE,GAAG,EAAE,EACX,UAAU,EAAE,qBAAqB,GAChC,UAAU,EAAE,CAoCd;AAED,wBAAgB,gBAAgB,CAAC,IAAI,EAAE,UAAU,EAAE;;;;;;IAQlD"}
--- a/packages/shared/src/pois.js
+++ b/packages/shared/src/pois.js
@@ -0,0 +1,72 @@
+const LOGISTICS_CATEGORIES = ['water', 'food', 'sleep', 'repair', 'bailout', 'charging'];
+export function filterPoisByCorridor(pois, _route, filter = {}) {
+    const bufferM = (filter.bufferKm ?? 5) * 1000;
+    return pois
+        .filter((poi) => (filter.category ? poi.category === filter.category : true))
+        .filter((poi) => (poi.distanceFromRouteM ?? 0) <= bufferM)
+        .sort(comparePoisByRoutePosition);
+}
+export function detectCriticalGaps(route, pois, thresholds) {
+    const gaps = [];
+    for (const category of LOGISTICS_CATEGORIES) {
+        const threshold = thresholds[category];
+        if (!threshold) {
+            continue;
+        }
+        const routePositions = pois
+            .filter((poi) => poi.category === category && typeof poi.metersFromStart === 'number')
+            .map((poi) => Math.max(0, Math.min(route.distanceM, poi.metersFromStart ?? 0)))
+            .sort((left, right) => left - right);
+        const positions = [0, ...routePositions, route.distanceM];
+        for (let index = 1; index < positions.length; index += 1) {
+            const startM = positions[index - 1] ?? 0;
+            const endM = positions[index] ?? route.distanceM;
+            const distanceM = endM - startM;
+            if (distanceM > threshold) {
+                gaps.push({
+                    category,
+                    startM,
+                    endM,
+                    distanceM,
+                    severity: severityForGap(distanceM, threshold),
+                    explanation: explainGap(category, distanceM, threshold)
+                });
+            }
+        }
+    }
+    return gaps.sort((left, right) => {
+        const severityRank = rankSeverity(right.severity) - rankSeverity(left.severity);
+        return severityRank || left.startM - right.startM;
+    });
+}
+export function warningsFromGaps(gaps) {
+    return gaps.map((gap) => ({
+        code: `${gap.category.toUpperCase()}_GAP`,
+        severity: gap.severity,
+        title: `Long ${gap.category} gap`,
+        message: gap.explanation,
+        metersFromStart: gap.startM
+    }));
+}
+function comparePoisByRoutePosition(left, right) {
+    return (left.metersFromStart ?? Number.MAX_SAFE_INTEGER) - (right.metersFromStart ?? Number.MAX_SAFE_INTEGER);
+}
+function severityForGap(distanceM, thresholdM) {
+    const ratio = distanceM / thresholdM;
+    if (ratio >= 1.5) {
+        return 'critical';
+    }
+    if (ratio >= 1.0) {
+        return 'warning';
+    }
+    return 'notice';
+}
+function rankSeverity(severity) {
+    return severity === 'critical' ? 4 : severity === 'warning' ? 3 : severity === 'notice' ? 2 : 1;
+}
+function explainGap(category, distanceM, thresholdM) {
+    const distanceKm = (distanceM / 1000).toFixed(1);
+    const thresholdKm = (thresholdM / 1000).toFixed(0);
+    return `${distanceKm} km without a confirmed ${category} POI, above the ${thresholdKm} km bikepacking threshold.`;
+}
+//# sourceMappingURL=pois.js.map
--- a/packages/shared/src/pois.js.map
+++ b/packages/shared/src/pois.js.map
@@ -0,0 +1 @@
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--- a/packages/shared/src/pois.test.ts
+++ b/packages/shared/src/pois.test.ts
@@ -0,0 +1,24 @@
+import { describe, expect, it } from 'vitest';
+import { createMockRoute, mockPois, mockTripRequest } from './fixtures.js';
+import { thresholdsFromTripRequest } from './profiles.js';
+import { detectCriticalGaps, filterPoisByCorridor } from './pois.js';
+
+describe('route corridor POIs and gaps', () => {
+  it('filters route-corridor POIs by category and buffer', () => {
+    const route = createMockRoute();
+    const sleepPois = filterPoisByCorridor(mockPois, route, { category: 'sleep', bufferKm: 2 });
+
+    expect(sleepPois.map((poi) => poi.category)).toEqual(expect.arrayContaining(['sleep']));
+    expect(sleepPois.every((poi) => (poi.distanceFromRouteM ?? 0) <= 2000)).toBe(true);
+    expect(sleepPois[0]?.metersFromStart).toBeLessThan(sleepPois[sleepPois.length - 1]?.metersFromStart ?? 0);
+  });
+
+  it('detects critical logistics gaps from deterministic fixtures', () => {
+    const route = createMockRoute();
+    const gaps = detectCriticalGaps(route, mockPois, thresholdsFromTripRequest(mockTripRequest));
+
+    expect(gaps.map((gap) => gap.category)).toEqual(expect.arrayContaining(['water', 'food']));
+    expect(gaps.find((gap) => gap.category === 'water')?.severity).toBe('warning');
+    expect(gaps.every((gap) => gap.distanceM > 0)).toBe(true);
+  });
+});
--- a/packages/shared/src/pois.ts
+++ b/packages/shared/src/pois.ts
@@ -0,0 +1,93 @@
+import type { CriticalGapThresholds, Poi, PoiCategory, RoutePlan, ServiceGap, WarningSeverity } from './types.js';
+
+const LOGISTICS_CATEGORIES: PoiCategory[] = ['water', 'food', 'sleep', 'repair', 'bailout', 'charging'];
+
+export type CorridorFilter = {
+  category?: PoiCategory;
+  bufferKm?: number;
+};
+
+export function filterPoisByCorridor(pois: Poi[], _route: RoutePlan, filter: CorridorFilter = {}): Poi[] {
+  const bufferM = (filter.bufferKm ?? 5) * 1000;
+  return pois
+    .filter((poi) => (filter.category ? poi.category === filter.category : true))
+    .filter((poi) => (poi.distanceFromRouteM ?? 0) <= bufferM)
+    .sort(comparePoisByRoutePosition);
+}
+
+export function detectCriticalGaps(
+  route: RoutePlan,
+  pois: Poi[],
+  thresholds: CriticalGapThresholds
+): ServiceGap[] {
+  const gaps: ServiceGap[] = [];
+
+  for (const category of LOGISTICS_CATEGORIES) {
+    const threshold = thresholds[category];
+    if (!threshold) {
+      continue;
+    }
+
+    const routePositions = pois
+      .filter((poi) => poi.category === category && typeof poi.metersFromStart === 'number')
+      .map((poi) => Math.max(0, Math.min(route.distanceM, poi.metersFromStart ?? 0)))
+      .sort((left, right) => left - right);
+
+    const positions = [0, ...routePositions, route.distanceM];
+    for (let index = 1; index < positions.length; index += 1) {
+      const startM = positions[index - 1] ?? 0;
+      const endM = positions[index] ?? route.distanceM;
+      const distanceM = endM - startM;
+      if (distanceM > threshold) {
+        gaps.push({
+          category,
+          startM,
+          endM,
+          distanceM,
+          severity: severityForGap(distanceM, threshold),
+          explanation: explainGap(category, distanceM, threshold)
+        });
+      }
+    }
+  }
+
+  return gaps.sort((left, right) => {
+    const severityRank = rankSeverity(right.severity) - rankSeverity(left.severity);
+    return severityRank || left.startM - right.startM;
+  });
+}
+
+export function warningsFromGaps(gaps: ServiceGap[]) {
+  return gaps.map((gap) => ({
+    code: `${gap.category.toUpperCase()}_GAP`,
+    severity: gap.severity,
+    title: `Long ${gap.category} gap`,
+    message: gap.explanation,
+    metersFromStart: gap.startM
+  }));
+}
+
+function comparePoisByRoutePosition(left: Poi, right: Poi): number {
+  return (left.metersFromStart ?? Number.MAX_SAFE_INTEGER) - (right.metersFromStart ?? Number.MAX_SAFE_INTEGER);
+}
+
+function severityForGap(distanceM: number, thresholdM: number): WarningSeverity {
+  const ratio = distanceM / thresholdM;
+  if (ratio >= 1.5) {
+    return 'critical';
+  }
+  if (ratio >= 1.0) {
+    return 'warning';
+  }
+  return 'notice';
+}
+
+function rankSeverity(severity: WarningSeverity): number {
+  return severity === 'critical' ? 4 : severity === 'warning' ? 3 : severity === 'notice' ? 2 : 1;
+}
+
+function explainGap(category: PoiCategory, distanceM: number, thresholdM: number): string {
+  const distanceKm = (distanceM / 1000).toFixed(1);
+  const thresholdKm = (thresholdM / 1000).toFixed(0);
+  return `${distanceKm} km without a confirmed ${category} POI, above the ${thresholdKm} km bikepacking threshold.`;
+}
--- a/packages/shared/src/profiles.d.ts
+++ b/packages/shared/src/profiles.d.ts
@@ -0,0 +1,6 @@
+import type { BikepackingProfile, BikepackingProfileId, CriticalGapThresholds, TripRequest } from './types.js';
+export declare const BIKEPACKING_PROFILES: Record<BikepackingProfileId, BikepackingProfile>;
+export declare function getProfile(profileId: BikepackingProfileId): BikepackingProfile;
+export declare function thresholdsFromTripRequest(request: TripRequest): CriticalGapThresholds;
+export declare function maxLoadedGradeForRequest(request: TripRequest): number;
+//# sourceMappingURL=profiles.d.ts.map
--- a/packages/shared/src/profiles.d.ts.map
+++ b/packages/shared/src/profiles.d.ts.map
@@ -0,0 +1 @@
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--- a/packages/shared/src/profiles.js
+++ b/packages/shared/src/profiles.js
@@ -0,0 +1,95 @@
+export const BIKEPACKING_PROFILES = {
+    beginner_safe: {
+        id: 'beginner_safe',
+        label: 'Beginner-safe',
+        dailyDistanceKm: { min: 40, target: 55, max: 70 },
+        maxGradeWarningPercent: 10,
+        waterGapMaxKm: 25,
+        foodGapMaxKm: 40,
+        repairGapMaxKm: 80,
+        bailoutGapMaxKm: 50,
+        sleepGapMaxKm: 65,
+        roughSurfaceTolerance: 0.35,
+        trafficTolerance: 0.25,
+        unknownAccessPenalty: 18,
+        preferredSurfaces: ['paved', 'asphalt', 'fine_gravel', 'compacted']
+    },
+    loaded_gravel: {
+        id: 'loaded_gravel',
+        label: 'Loaded gravel',
+        dailyDistanceKm: { min: 60, target: 80, max: 100 },
+        maxGradeWarningPercent: 12,
+        waterGapMaxKm: 40,
+        foodGapMaxKm: 70,
+        repairGapMaxKm: 110,
+        bailoutGapMaxKm: 90,
+        sleepGapMaxKm: 95,
+        roughSurfaceTolerance: 0.6,
+        trafficTolerance: 0.45,
+        unknownAccessPenalty: 12,
+        preferredSurfaces: ['gravel', 'fine_gravel', 'compacted', 'paved', 'asphalt', 'dirt']
+    },
+    hardtail_bikepacking: {
+        id: 'hardtail_bikepacking',
+        label: 'Hardtail bikepacking',
+        dailyDistanceKm: { min: 50, target: 70, max: 90 },
+        maxGradeWarningPercent: 15,
+        waterGapMaxKm: 55,
+        foodGapMaxKm: 90,
+        repairGapMaxKm: 130,
+        bailoutGapMaxKm: 110,
+        sleepGapMaxKm: 100,
+        roughSurfaceTolerance: 0.8,
+        trafficTolerance: 0.35,
+        unknownAccessPenalty: 10,
+        preferredSurfaces: ['dirt', 'singletrack', 'gravel', 'track', 'compacted']
+    },
+    road_touring: {
+        id: 'road_touring',
+        label: 'Road touring',
+        dailyDistanceKm: { min: 70, target: 100, max: 130 },
+        maxGradeWarningPercent: 10,
+        waterGapMaxKm: 40,
+        foodGapMaxKm: 70,
+        repairGapMaxKm: 120,
+        bailoutGapMaxKm: 90,
+        sleepGapMaxKm: 115,
+        roughSurfaceTolerance: 0.2,
+        trafficTolerance: 0.5,
+        unknownAccessPenalty: 14,
+        preferredSurfaces: ['paved', 'asphalt', 'concrete']
+    },
+    ebikepacking: {
+        id: 'ebikepacking',
+        label: 'E-bikepacking',
+        dailyDistanceKm: { min: 50, target: 75, max: 100 },
+        maxGradeWarningPercent: 12,
+        waterGapMaxKm: 40,
+        foodGapMaxKm: 60,
+        repairGapMaxKm: 100,
+        bailoutGapMaxKm: 80,
+        sleepGapMaxKm: 90,
+        roughSurfaceTolerance: 0.5,
+        trafficTolerance: 0.4,
+        unknownAccessPenalty: 15,
+        preferredSurfaces: ['paved', 'asphalt', 'gravel', 'compacted']
+    }
+};
+export function getProfile(profileId) {
+    return BIKEPACKING_PROFILES[profileId];
+}
+export function thresholdsFromTripRequest(request) {
+    const profile = getProfile(request.profile);
+    return {
+        water: (request.waterGapMaxKm ?? profile.waterGapMaxKm) * 1000,
+        food: (request.foodGapMaxKm ?? profile.foodGapMaxKm) * 1000,
+        repair: profile.repairGapMaxKm * 1000,
+        bailout: (request.requireBailoutEveryKm ?? profile.bailoutGapMaxKm) * 1000,
+        sleep: profile.sleepGapMaxKm * 1000,
+        charging: request.profile === 'ebikepacking' ? 60000 : undefined
+    };
+}
+export function maxLoadedGradeForRequest(request) {
+    return request.maxLoadedGradePercent ?? getProfile(request.profile).maxGradeWarningPercent;
+}
+//# sourceMappingURL=profiles.js.map
--- a/packages/shared/src/profiles.js.map
+++ b/packages/shared/src/profiles.js.map
@@ -0,0 +1 @@
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--- a/packages/shared/src/profiles.ts
+++ b/packages/shared/src/profiles.ts
@@ -0,0 +1,99 @@
+import type { BikepackingProfile, BikepackingProfileId, CriticalGapThresholds, TripRequest } from './types.js';
+
+export const BIKEPACKING_PROFILES: Record<BikepackingProfileId, BikepackingProfile> = {
+  beginner_safe: {
+    id: 'beginner_safe',
+    label: 'Beginner-safe',
+    dailyDistanceKm: { min: 40, target: 55, max: 70 },
+    maxGradeWarningPercent: 10,
+    waterGapMaxKm: 25,
+    foodGapMaxKm: 40,
+    repairGapMaxKm: 80,
+    bailoutGapMaxKm: 50,
+    sleepGapMaxKm: 65,
+    roughSurfaceTolerance: 0.35,
+    trafficTolerance: 0.25,
+    unknownAccessPenalty: 18,
+    preferredSurfaces: ['paved', 'asphalt', 'fine_gravel', 'compacted']
+  },
+  loaded_gravel: {
+    id: 'loaded_gravel',
+    label: 'Loaded gravel',
+    dailyDistanceKm: { min: 60, target: 80, max: 100 },
+    maxGradeWarningPercent: 12,
+    waterGapMaxKm: 40,
+    foodGapMaxKm: 70,
+    repairGapMaxKm: 110,
+    bailoutGapMaxKm: 90,
+    sleepGapMaxKm: 95,
+    roughSurfaceTolerance: 0.6,
+    trafficTolerance: 0.45,
+    unknownAccessPenalty: 12,
+    preferredSurfaces: ['gravel', 'fine_gravel', 'compacted', 'paved', 'asphalt', 'dirt']
+  },
+  hardtail_bikepacking: {
+    id: 'hardtail_bikepacking',
+    label: 'Hardtail bikepacking',
+    dailyDistanceKm: { min: 50, target: 70, max: 90 },
+    maxGradeWarningPercent: 15,
+    waterGapMaxKm: 55,
+    foodGapMaxKm: 90,
+    repairGapMaxKm: 130,
+    bailoutGapMaxKm: 110,
+    sleepGapMaxKm: 100,
+    roughSurfaceTolerance: 0.8,
+    trafficTolerance: 0.35,
+    unknownAccessPenalty: 10,
+    preferredSurfaces: ['dirt', 'singletrack', 'gravel', 'track', 'compacted']
+  },
+  road_touring: {
+    id: 'road_touring',
+    label: 'Road touring',
+    dailyDistanceKm: { min: 70, target: 100, max: 130 },
+    maxGradeWarningPercent: 10,
+    waterGapMaxKm: 40,
+    foodGapMaxKm: 70,
+    repairGapMaxKm: 120,
+    bailoutGapMaxKm: 90,
+    sleepGapMaxKm: 115,
+    roughSurfaceTolerance: 0.2,
+    trafficTolerance: 0.5,
+    unknownAccessPenalty: 14,
+    preferredSurfaces: ['paved', 'asphalt', 'concrete']
+  },
+  ebikepacking: {
+    id: 'ebikepacking',
+    label: 'E-bikepacking',
+    dailyDistanceKm: { min: 50, target: 75, max: 100 },
+    maxGradeWarningPercent: 12,
+    waterGapMaxKm: 40,
+    foodGapMaxKm: 60,
+    repairGapMaxKm: 100,
+    bailoutGapMaxKm: 80,
+    sleepGapMaxKm: 90,
+    roughSurfaceTolerance: 0.5,
+    trafficTolerance: 0.4,
+    unknownAccessPenalty: 15,
+    preferredSurfaces: ['paved', 'asphalt', 'gravel', 'compacted']
+  }
+};
+
+export function getProfile(profileId: BikepackingProfileId): BikepackingProfile {
+  return BIKEPACKING_PROFILES[profileId];
+}
+
+export function thresholdsFromTripRequest(request: TripRequest): CriticalGapThresholds {
+  const profile = getProfile(request.profile);
+  return {
+    water: (request.waterGapMaxKm ?? profile.waterGapMaxKm) * 1000,
+    food: (request.foodGapMaxKm ?? profile.foodGapMaxKm) * 1000,
+    repair: profile.repairGapMaxKm * 1000,
+    bailout: (request.requireBailoutEveryKm ?? profile.bailoutGapMaxKm) * 1000,
+    sleep: profile.sleepGapMaxKm * 1000,
+    charging: request.profile === 'ebikepacking' ? 60000 : undefined
+  };
+}
+
+export function maxLoadedGradeForRequest(request: TripRequest): number {
+  return request.maxLoadedGradePercent ?? getProfile(request.profile).maxGradeWarningPercent;
+}
--- a/packages/shared/src/scoring.d.ts
+++ b/packages/shared/src/scoring.d.ts
@@ -0,0 +1,6 @@
+import type { BikepackingProfileId, HikeABikeRisk, RoutePlan, RouteScore, RouteSegment, SegmentScore } from './types.js';
+export declare function estimateHikeABikeRisk(segment: RouteSegment, profileId: BikepackingProfileId): HikeABikeRisk;
+export declare function scoreSegment(segment: RouteSegment, profileId: BikepackingProfileId): SegmentScore;
+export declare function scoreRoute(route: RoutePlan, profileId: BikepackingProfileId): RouteScore;
+export declare function calculateSurfaceBreakdown(segments: RouteSegment[]): Record<string, number>;
+//# sourceMappingURL=scoring.d.ts.map
--- a/packages/shared/src/scoring.d.ts.map
+++ b/packages/shared/src/scoring.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"scoring.d.ts","sourceRoot":"","sources":["scoring.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EACV,oBAAoB,EACpB,aAAa,EACb,SAAS,EACT,UAAU,EACV,YAAY,EAEZ,YAAY,EACb,MAAM,YAAY,CAAC;AAMpB,wBAAgB,qBAAqB,CAAC,OAAO,EAAE,YAAY,EAAE,SAAS,EAAE,oBAAoB,GAAG,aAAa,CAmC3G;AAED,wBAAgB,YAAY,CAAC,OAAO,EAAE,YAAY,EAAE,SAAS,EAAE,oBAAoB,GAAG,YAAY,CAyFjG;AAED,wBAAgB,UAAU,CAAC,KAAK,EAAE,SAAS,EAAE,SAAS,EAAE,oBAAoB,GAAG,UAAU,CAgBxF;AAED,wBAAgB,yBAAyB,CAAC,QAAQ,EAAE,YAAY,EAAE,GAAG,MAAM,CAAC,MAAM,EAAE,MAAM,CAAC,CAe1F"}
--- a/packages/shared/src/scoring.js
+++ b/packages/shared/src/scoring.js
@@ -0,0 +1,158 @@
+import { getProfile } from './profiles.js';
+const ROUGH_SURFACES = new Set(['sand', 'mud', 'rock', 'roots', 'grass', 'ground', 'singletrack']);
+const ROUGH_SMOOTHNESS = new Set(['bad', 'very_bad', 'horrible', 'very_horrible', 'impassable']);
+const UNPAVED_SURFACES = new Set(['gravel', 'fine_gravel', 'compacted', 'dirt', 'ground', 'sand', 'mud', 'grass']);
+export function estimateHikeABikeRisk(segment, profileId) {
+    const profile = getProfile(profileId);
+    const maxGrade = segment.maxGradePercent ?? segment.avgGradePercent ?? 0;
+    let risk = 0;
+    if (maxGrade > profile.maxGradeWarningPercent) {
+        risk += 2 + (maxGrade - profile.maxGradeWarningPercent) / 2;
+    }
+    if (segment.avgGradePercent && segment.avgGradePercent > profile.maxGradeWarningPercent - 2) {
+        risk += 1.5;
+    }
+    if (segment.smoothness && ROUGH_SMOOTHNESS.has(segment.smoothness)) {
+        risk += 2.2;
+    }
+    if (segment.surface && ROUGH_SURFACES.has(segment.surface)) {
+        risk += 1.8;
+    }
+    if (segment.highway === 'path' || segment.highway === 'track') {
+        risk += 0.8;
+    }
+    if (segment.legalAccessConfidence === 'unknown' || segment.bicycleAccess === 'unknown') {
+        risk += 0.6;
+    }
+    risk -= profile.roughSurfaceTolerance;
+    if (risk >= 8) {
+        return 'critical';
+    }
+    if (risk >= 4.8) {
+        return 'high';
+    }
+    if (risk >= 2.3) {
+        return 'medium';
+    }
+    return 'low';
+}
+export function scoreSegment(segment, profileId) {
+    const profile = getProfile(profileId);
+    const hikeABikeRisk = estimateHikeABikeRisk(segment, profileId);
+    const warnings = [];
+    const costBreakdown = {};
+    const maxGrade = segment.maxGradePercent ?? 0;
+    costBreakdown.distance = Math.min(10, segment.distanceM / 10000);
+    costBreakdown.climb = Math.min(18, (segment.ascentM ?? 0) / 70);
+    if (maxGrade > profile.maxGradeWarningPercent) {
+        costBreakdown.steepness = Math.min(28, (maxGrade - profile.maxGradeWarningPercent) * 3.5);
+        warnings.push({
+            code: 'STEEP_LOADED_BIKE_CLIMB',
+            severity: maxGrade > profile.maxGradeWarningPercent + 5 ? 'critical' : 'warning',
+            title: 'Steep loaded-bike climb',
+            message: `Segment reaches ${maxGrade.toFixed(1)}%, above the ${profile.maxGradeWarningPercent}% ${profile.label} warning threshold.`,
+            metersFromStart: segment.startMeters,
+            segmentId: segment.id
+        });
+    }
+    else {
+        costBreakdown.steepness = 0;
+    }
+    if (segment.surface && !profile.preferredSurfaces.includes(segment.surface)) {
+        costBreakdown.surface = ROUGH_SURFACES.has(segment.surface) ? 14 : 8;
+    }
+    else if (segment.smoothness && ROUGH_SMOOTHNESS.has(segment.smoothness)) {
+        costBreakdown.surface = 8;
+    }
+    else {
+        costBreakdown.surface = 0;
+    }
+    costBreakdown.traffic = Math.max(0, ((segment.trafficStress ?? 0) - profile.trafficTolerance) * 22);
+    if (segment.legalAccessConfidence === 'unknown' || segment.bicycleAccess === 'unknown') {
+        costBreakdown.access = profile.unknownAccessPenalty;
+        warnings.push({
+            code: 'UNKNOWN_ACCESS',
+            severity: 'warning',
+            title: 'Uncertain bicycle access',
+            message: 'Bicycle access is not confirmed for this segment. Treat it as advisory and verify locally.',
+            metersFromStart: segment.startMeters,
+            segmentId: segment.id
+        });
+    }
+    else if (segment.legalAccessConfidence === 'restricted' || segment.bicycleAccess === 'no') {
+        costBreakdown.access = 35;
+        warnings.push({
+            code: 'RESTRICTED_ACCESS',
+            severity: 'critical',
+            title: 'Potential access restriction',
+            message: 'This segment may be restricted for bicycles. Verify before relying on the route.',
+            metersFromStart: segment.startMeters,
+            segmentId: segment.id
+        });
+    }
+    else {
+        costBreakdown.access = 0;
+    }
+    if (segment.protectedAreaOverlap) {
+        costBreakdown.protectedArea = 8;
+        warnings.push({
+            code: 'PROTECTED_AREA_OVERLAP',
+            severity: 'notice',
+            title: 'Protected-area overlap',
+            message: 'Route crosses or borders a protected area. Local riding and camping rules may be stricter here.',
+            metersFromStart: segment.startMeters,
+            segmentId: segment.id
+        });
+    }
+    else {
+        costBreakdown.protectedArea = 0;
+    }
+    costBreakdown.hikeABike =
+        hikeABikeRisk === 'critical' ? 24 : hikeABikeRisk === 'high' ? 14 : hikeABikeRisk === 'medium' ? 6 : 0;
+    const bonus = (segment.officialCycleRoute ? 7 : 0) +
+        (segment.communityScore && segment.communityScore > 0 ? Math.min(8, segment.communityScore * 8) : 0);
+    const totalCost = Object.values(costBreakdown).reduce((sum, value) => sum + value, 0);
+    const score = clamp(100 - totalCost + bonus, 0, 100);
+    return {
+        segmentId: segment.id,
+        score: round(score, 1),
+        hikeABikeRisk,
+        warnings,
+        costBreakdown
+    };
+}
+export function scoreRoute(route, profileId) {
+    const segmentScores = route.segments.map((segment) => scoreSegment(segment, profileId));
+    const distanceTotal = Math.max(1, route.segments.reduce((sum, segment) => sum + segment.distanceM, 0));
+    const weightedScore = route.segments.reduce((sum, segment, index) => {
+        const segmentScore = segmentScores[index]?.score ?? 0;
+        return sum + segmentScore * (segment.distanceM / distanceTotal);
+    }, 0) || 0;
+    const warnings = segmentScores.flatMap((score) => score.warnings);
+    return {
+        suitabilityScore: round(weightedScore, 1),
+        warnings,
+        segmentScores,
+        surfaceBreakdown: calculateSurfaceBreakdown(route.segments)
+    };
+}
+export function calculateSurfaceBreakdown(segments) {
+    const totals = new Map();
+    const totalDistance = Math.max(1, segments.reduce((sum, segment) => sum + segment.distanceM, 0));
+    for (const segment of segments) {
+        const surface = segment.surface ?? 'unknown';
+        const normalized = UNPAVED_SURFACES.has(surface) ? surface : surface;
+        totals.set(normalized, (totals.get(normalized) ?? 0) + segment.distanceM);
+    }
+    return Object.fromEntries([...totals.entries()]
+        .sort(([left], [right]) => left.localeCompare(right))
+        .map(([surface, meters]) => [surface, round(meters / totalDistance, 3)]));
+}
+function clamp(value, min, max) {
+    return Math.max(min, Math.min(max, value));
+}
+function round(value, precision) {
+    const factor = 10 ** precision;
+    return Math.round(value * factor) / factor;
+}
+//# sourceMappingURL=scoring.js.map
--- a/packages/shared/src/scoring.js.map
+++ b/packages/shared/src/scoring.js.map
--- a/packages/shared/src/scoring.test.ts
+++ b/packages/shared/src/scoring.test.ts
@@ -0,0 +1,28 @@
+import { describe, expect, it } from 'vitest';
+import sampleScoring from '../../../examples/sample_segment_scoring.json';
+import { estimateHikeABikeRisk, scoreSegment } from './scoring.js';
+import type { RouteSegment } from './types.js';
+
+describe('segment scoring', () => {
+  it('matches the sample loaded-gravel warning fixture', () => {
+    const fixture = sampleScoring as {
+      profile: 'loaded_gravel';
+      segment: Omit<RouteSegment, 'id' | 'geometry'>;
+      expected: { hikeABikeRisk: string; warnings: string[] };
+    };
+    const segment: RouteSegment = {
+      id: 'fixture_segment',
+      geometry: [
+        { lat: 48.1, lon: 11.5 },
+        { lat: 48.0, lon: 11.4 }
+      ],
+      ...fixture.segment
+    };
+
+    const result = scoreSegment(segment, fixture.profile);
+
+    expect(estimateHikeABikeRisk(segment, fixture.profile)).toBe(fixture.expected.hikeABikeRisk);
+    expect(result.warnings.map((warning) => warning.code)).toEqual(expect.arrayContaining(fixture.expected.warnings));
+    expect(result.score).toBeLessThan(80);
+  });
+});
--- a/packages/shared/src/scoring.ts
+++ b/packages/shared/src/scoring.ts
@@ -0,0 +1,186 @@
+import { getProfile } from './profiles.js';
+import type {
+  BikepackingProfileId,
+  HikeABikeRisk,
+  RoutePlan,
+  RouteScore,
+  RouteSegment,
+  RouteWarning,
+  SegmentScore
+} from './types.js';
+
+const ROUGH_SURFACES = new Set(['sand', 'mud', 'rock', 'roots', 'grass', 'ground', 'singletrack']);
+const ROUGH_SMOOTHNESS = new Set(['bad', 'very_bad', 'horrible', 'very_horrible', 'impassable']);
+const UNPAVED_SURFACES = new Set(['gravel', 'fine_gravel', 'compacted', 'dirt', 'ground', 'sand', 'mud', 'grass']);
+
+export function estimateHikeABikeRisk(segment: RouteSegment, profileId: BikepackingProfileId): HikeABikeRisk {
+  const profile = getProfile(profileId);
+  const maxGrade = segment.maxGradePercent ?? segment.avgGradePercent ?? 0;
+  let risk = 0;
+
+  if (maxGrade > profile.maxGradeWarningPercent) {
+    risk += 2 + (maxGrade - profile.maxGradeWarningPercent) / 2;
+  }
+  if (segment.avgGradePercent && segment.avgGradePercent > profile.maxGradeWarningPercent - 2) {
+    risk += 1.5;
+  }
+  if (segment.smoothness && ROUGH_SMOOTHNESS.has(segment.smoothness)) {
+    risk += 2.2;
+  }
+  if (segment.surface && ROUGH_SURFACES.has(segment.surface)) {
+    risk += 1.8;
+  }
+  if (segment.highway === 'path' || segment.highway === 'track') {
+    risk += 0.8;
+  }
+  if (segment.legalAccessConfidence === 'unknown' || segment.bicycleAccess === 'unknown') {
+    risk += 0.6;
+  }
+  risk -= profile.roughSurfaceTolerance;
+
+  if (risk >= 8) {
+    return 'critical';
+  }
+  if (risk >= 4.8) {
+    return 'high';
+  }
+  if (risk >= 2.3) {
+    return 'medium';
+  }
+  return 'low';
+}
+
+export function scoreSegment(segment: RouteSegment, profileId: BikepackingProfileId): SegmentScore {
+  const profile = getProfile(profileId);
+  const hikeABikeRisk = estimateHikeABikeRisk(segment, profileId);
+  const warnings: RouteWarning[] = [];
+  const costBreakdown: Record<string, number> = {};
+
+  const maxGrade = segment.maxGradePercent ?? 0;
+  costBreakdown.distance = Math.min(10, segment.distanceM / 10000);
+  costBreakdown.climb = Math.min(18, (segment.ascentM ?? 0) / 70);
+
+  if (maxGrade > profile.maxGradeWarningPercent) {
+    costBreakdown.steepness = Math.min(28, (maxGrade - profile.maxGradeWarningPercent) * 3.5);
+    warnings.push({
+      code: 'STEEP_LOADED_BIKE_CLIMB',
+      severity: maxGrade > profile.maxGradeWarningPercent + 5 ? 'critical' : 'warning',
+      title: 'Steep loaded-bike climb',
+      message: `Segment reaches ${maxGrade.toFixed(1)}%, above the ${profile.maxGradeWarningPercent}% ${profile.label} warning threshold.`,
+      metersFromStart: segment.startMeters,
+      segmentId: segment.id
+    });
+  } else {
+    costBreakdown.steepness = 0;
+  }
+
+  if (segment.surface && !profile.preferredSurfaces.includes(segment.surface)) {
+    costBreakdown.surface = ROUGH_SURFACES.has(segment.surface) ? 14 : 8;
+  } else if (segment.smoothness && ROUGH_SMOOTHNESS.has(segment.smoothness)) {
+    costBreakdown.surface = 8;
+  } else {
+    costBreakdown.surface = 0;
+  }
+
+  costBreakdown.traffic = Math.max(0, ((segment.trafficStress ?? 0) - profile.trafficTolerance) * 22);
+
+  if (segment.legalAccessConfidence === 'unknown' || segment.bicycleAccess === 'unknown') {
+    costBreakdown.access = profile.unknownAccessPenalty;
+    warnings.push({
+      code: 'UNKNOWN_ACCESS',
+      severity: 'warning',
+      title: 'Uncertain bicycle access',
+      message: 'Bicycle access is not confirmed for this segment. Treat it as advisory and verify locally.',
+      metersFromStart: segment.startMeters,
+      segmentId: segment.id
+    });
+  } else if (segment.legalAccessConfidence === 'restricted' || segment.bicycleAccess === 'no') {
+    costBreakdown.access = 35;
+    warnings.push({
+      code: 'RESTRICTED_ACCESS',
+      severity: 'critical',
+      title: 'Potential access restriction',
+      message: 'This segment may be restricted for bicycles. Verify before relying on the route.',
+      metersFromStart: segment.startMeters,
+      segmentId: segment.id
+    });
+  } else {
+    costBreakdown.access = 0;
+  }
+
+  if (segment.protectedAreaOverlap) {
+    costBreakdown.protectedArea = 8;
+    warnings.push({
+      code: 'PROTECTED_AREA_OVERLAP',
+      severity: 'notice',
+      title: 'Protected-area overlap',
+      message: 'Route crosses or borders a protected area. Local riding and camping rules may be stricter here.',
+      metersFromStart: segment.startMeters,
+      segmentId: segment.id
+    });
+  } else {
+    costBreakdown.protectedArea = 0;
+  }
+
+  costBreakdown.hikeABike =
+    hikeABikeRisk === 'critical' ? 24 : hikeABikeRisk === 'high' ? 14 : hikeABikeRisk === 'medium' ? 6 : 0;
+
+  const bonus =
+    (segment.officialCycleRoute ? 7 : 0) +
+    (segment.communityScore && segment.communityScore > 0 ? Math.min(8, segment.communityScore * 8) : 0);
+
+  const totalCost = Object.values(costBreakdown).reduce((sum, value) => sum + value, 0);
+  const score = clamp(100 - totalCost + bonus, 0, 100);
+
+  return {
+    segmentId: segment.id,
+    score: round(score, 1),
+    hikeABikeRisk,
+    warnings,
+    costBreakdown
+  };
+}
+
+export function scoreRoute(route: RoutePlan, profileId: BikepackingProfileId): RouteScore {
+  const segmentScores = route.segments.map((segment) => scoreSegment(segment, profileId));
+  const distanceTotal = Math.max(1, route.segments.reduce((sum, segment) => sum + segment.distanceM, 0));
+  const weightedScore =
+    route.segments.reduce((sum, segment, index) => {
+      const segmentScore = segmentScores[index]?.score ?? 0;
+      return sum + segmentScore * (segment.distanceM / distanceTotal);
+    }, 0) || 0;
+  const warnings = segmentScores.flatMap((score) => score.warnings);
+
+  return {
+    suitabilityScore: round(weightedScore, 1),
+    warnings,
+    segmentScores,
+    surfaceBreakdown: calculateSurfaceBreakdown(route.segments)
+  };
+}
+
+export function calculateSurfaceBreakdown(segments: RouteSegment[]): Record<string, number> {
+  const totals = new Map<string, number>();
+  const totalDistance = Math.max(1, segments.reduce((sum, segment) => sum + segment.distanceM, 0));
+
+  for (const segment of segments) {
+    const surface = segment.surface ?? 'unknown';
+    const normalized = UNPAVED_SURFACES.has(surface) ? surface : surface;
+    totals.set(normalized, (totals.get(normalized) ?? 0) + segment.distanceM);
+  }
+
+  return Object.fromEntries(
+    [...totals.entries()]
+      .sort(([left], [right]) => left.localeCompare(right))
+      .map(([surface, meters]) => [surface, round(meters / totalDistance, 3)])
+  );
+}
+
+function clamp(value: number, min: number, max: number): number {
+  return Math.max(min, Math.min(max, value));
+}
+
+function round(value: number, precision: number): number {
+  const factor = 10 ** precision;
+  return Math.round(value * factor) / factor;
+}
--- a/packages/shared/src/staging.d.ts
+++ b/packages/shared/src/staging.d.ts
@@ -0,0 +1,4 @@
+import type { Poi, RoutePlan, StagePlan, TripRequest } from './types.js';
+export declare function planStages(route: RoutePlan, pois: Poi[], tripRequest: TripRequest): StagePlan[];
+export declare function estimateStageCount(distanceM: number, tripRequest: TripRequest): number;
+//# sourceMappingURL=staging.d.ts.map
--- a/packages/shared/src/staging.d.ts.map
+++ b/packages/shared/src/staging.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"staging.d.ts","sourceRoot":"","sources":["staging.ts"],"names":[],"mappings":"AAGA,OAAO,KAAK,EAAE,GAAG,EAAE,SAAS,EAAgB,SAAS,EAAE,WAAW,EAAE,MAAM,YAAY,CAAC;AAIvF,wBAAgB,UAAU,CAAC,KAAK,EAAE,SAAS,EAAE,IAAI,EAAE,GAAG,EAAE,EAAE,WAAW,EAAE,WAAW,GAAG,SAAS,EAAE,CA0D/F;AAED,wBAAgB,kBAAkB,CAAC,SAAS,EAAE,MAAM,EAAE,WAAW,EAAE,WAAW,GAAG,MAAM,CAMtF"}
--- a/packages/shared/src/staging.js
+++ b/packages/shared/src/staging.js
@@ -0,0 +1,218 @@
+import { getProfile, thresholdsFromTripRequest } from './profiles.js';
+import { detectCriticalGaps, warningsFromGaps } from './pois.js';
+const ENDPOINT_TOLERANCE_M = 8000;
+export function planStages(route, pois, tripRequest) {
+    const profile = getProfile(tripRequest.profile);
+    const desiredStages = estimateStageCount(route.distanceM, tripRequest);
+    const stages = [];
+    let startMeters = 0;
+    for (let dayIndex = 1; dayIndex <= desiredStages; dayIndex += 1) {
+        const isLastStage = dayIndex === desiredStages;
+        const remainingStages = desiredStages - dayIndex;
+        const targetEnd = isLastStage ? route.distanceM : Math.round((route.distanceM / desiredStages) * dayIndex);
+        const minEnd = startMeters + tripRequest.dailyDistanceKm.min * 1000;
+        const maxEnd = Math.min(route.distanceM - remainingStages * tripRequest.dailyDistanceKm.min * 1000, startMeters + tripRequest.dailyDistanceKm.max * 1000);
+        const boundedTarget = Math.max(minEnd, Math.min(maxEnd, targetEnd));
+        const sleepCandidate = isLastStage
+            ? undefined
+            : chooseSleepEndpoint(pois, boundedTarget, minEnd, maxEnd, tripRequest.sleepPreference);
+        const endMeters = isLastStage ? route.distanceM : sleepCandidate?.metersFromStart ?? boundedTarget;
+        const distanceM = Math.max(0, endMeters - startMeters);
+        const stagePois = poisWithin(pois, startMeters, endMeters);
+        const ascentM = estimateStageAscent(route, startMeters, endMeters);
+        const descentM = estimateStageDescent(route, startMeters, endMeters);
+        const stageWarnings = stageWarningsFor({
+            route,
+            stagePois,
+            startMeters,
+            endMeters,
+            distanceM,
+            ascentM,
+            tripRequest,
+            hasSleepEndpoint: isLastStage || Boolean(sleepCandidate)
+        });
+        stages.push({
+            id: `stage_${route.id}_${dayIndex}`,
+            routeId: route.id,
+            dayIndex,
+            startMeters,
+            endMeters,
+            distanceM,
+            ascentM,
+            descentM,
+            expectedRideTimeMinutes: expectedRideTimeMinutes(distanceM, ascentM, profile.roughSurfaceTolerance),
+            sleepCandidates: nearbyEndpointPois(stagePois, endMeters, 'sleep'),
+            waterPois: stagePois.filter((poi) => poi.category === 'water'),
+            foodPois: stagePois.filter((poi) => poi.category === 'food'),
+            repairPois: stagePois.filter((poi) => poi.category === 'repair'),
+            bailoutPois: stagePois.filter((poi) => poi.category === 'bailout'),
+            warnings: stageWarnings,
+            planB: planBForEndpoint(pois, endMeters, minEnd, maxEnd)
+        });
+        startMeters = endMeters;
+    }
+    return stages;
+}
+export function estimateStageCount(distanceM, tripRequest) {
+    const dateDays = inclusiveDateDays(tripRequest.startDate, tripRequest.endDate);
+    if (dateDays) {
+        return dateDays;
+    }
+    return Math.max(1, Math.ceil(distanceM / Math.max(1, tripRequest.dailyDistanceKm.target * 1000)));
+}
+function inclusiveDateDays(startDate, endDate) {
+    if (!startDate || !endDate) {
+        return undefined;
+    }
+    const start = Date.parse(`${startDate}T00:00:00Z`);
+    const end = Date.parse(`${endDate}T00:00:00Z`);
+    if (Number.isNaN(start) || Number.isNaN(end) || end < start) {
+        return undefined;
+    }
+    return Math.floor((end - start) / 86400000) + 1;
+}
+function chooseSleepEndpoint(pois, targetM, minM, maxM, sleepPreference) {
+    const candidates = pois
+        .filter((poi) => poi.category === 'sleep')
+        .filter((poi) => typeof poi.metersFromStart === 'number')
+        .filter((poi) => {
+        const meters = poi.metersFromStart ?? 0;
+        return meters >= minM && meters <= maxM;
+    })
+        .filter((poi) => {
+        if (sleepPreference === 'indoor_only') {
+            return poi.tags?.sleepType === 'hostel' || poi.tags?.sleepType === 'hotel';
+        }
+        if (sleepPreference === 'official_campsites') {
+            return poi.tags?.sleepType === 'campsite';
+        }
+        return true;
+    });
+    return candidates.sort((left, right) => {
+        const leftDistance = Math.abs((left.metersFromStart ?? 0) - targetM);
+        const rightDistance = Math.abs((right.metersFromStart ?? 0) - targetM);
+        const confidenceDelta = confidenceRank(right.confidence) - confidenceRank(left.confidence);
+        return leftDistance - rightDistance || confidenceDelta;
+    })[0];
+}
+function poisWithin(pois, startM, endM) {
+    return pois
+        .filter((poi) => {
+        const meters = poi.metersFromStart;
+        return typeof meters === 'number' && meters >= startM && meters <= endM;
+    })
+        .sort((left, right) => (left.metersFromStart ?? 0) - (right.metersFromStart ?? 0));
+}
+function nearbyEndpointPois(pois, endM, category) {
+    return pois
+        .filter((poi) => poi.category === category)
+        .filter((poi) => Math.abs((poi.metersFromStart ?? 0) - endM) <= ENDPOINT_TOLERANCE_M)
+        .slice(0, 4);
+}
+function estimateStageAscent(route, startM, endM) {
+    return Math.round(route.segments.reduce((sum, segment) => {
+        const segmentStart = segment.startMeters ?? 0;
+        const segmentEnd = segment.endMeters ?? segmentStart + segment.distanceM;
+        const overlap = Math.max(0, Math.min(endM, segmentEnd) - Math.max(startM, segmentStart));
+        if (overlap === 0) {
+            return sum;
+        }
+        return sum + (segment.ascentM ?? 0) * (overlap / Math.max(1, segment.distanceM));
+    }, 0));
+}
+function estimateStageDescent(route, startM, endM) {
+    return Math.round(route.segments.reduce((sum, segment) => {
+        const segmentStart = segment.startMeters ?? 0;
+        const segmentEnd = segment.endMeters ?? segmentStart + segment.distanceM;
+        const overlap = Math.max(0, Math.min(endM, segmentEnd) - Math.max(startM, segmentStart));
+        if (overlap === 0) {
+            return sum;
+        }
+        return sum + (segment.descentM ?? 0) * (overlap / Math.max(1, segment.distanceM));
+    }, 0));
+}
+function expectedRideTimeMinutes(distanceM, ascentM, roughSurfaceTolerance) {
+    const baseMovingKmh = 16 + roughSurfaceTolerance * 3;
+    const low = Math.round((distanceM / 1000 / baseMovingKmh) * 60 + (ascentM / 450) * 45);
+    const high = Math.round((distanceM / 1000 / Math.max(9, baseMovingKmh - 4)) * 60 + (ascentM / 350) * 55);
+    return { low, high };
+}
+function stageWarningsFor(input) {
+    const warnings = [];
+    const maxDistanceM = input.tripRequest.dailyDistanceKm.max * 1000;
+    if (input.distanceM > maxDistanceM) {
+        warnings.push({
+            code: 'STAGE_DISTANCE_OVER_MAX',
+            severity: 'warning',
+            title: 'Stage exceeds daily distance',
+            message: `Stage is ${(input.distanceM / 1000).toFixed(1)} km, above the requested ${input.tripRequest.dailyDistanceKm.max} km maximum.`,
+            metersFromStart: input.startMeters
+        });
+    }
+    if (input.tripRequest.dailyAscentM?.max && input.ascentM > input.tripRequest.dailyAscentM.max) {
+        warnings.push({
+            code: 'STAGE_ASCENT_OVER_MAX',
+            severity: 'warning',
+            title: 'Stage exceeds climbing limit',
+            message: `Stage climbs ${input.ascentM} m, above the requested ${input.tripRequest.dailyAscentM.max} m maximum.`,
+            metersFromStart: input.startMeters
+        });
+    }
+    if (!input.hasSleepEndpoint) {
+        warnings.push({
+            code: 'NO_CONFIDENT_SLEEP_ENDPOINT',
+            severity: 'warning',
+            title: 'No confident sleep endpoint',
+            message: 'No sleep POI matched the stage endpoint window. Plan a fallback before committing to this day.',
+            metersFromStart: input.endMeters
+        });
+    }
+    const stageRoute = { ...input.route, distanceM: input.endMeters - input.startMeters };
+    const shiftedPois = input.stagePois.map((poi) => ({
+        ...poi,
+        metersFromStart: typeof poi.metersFromStart === 'number' ? poi.metersFromStart - input.startMeters : undefined
+    }));
+    const stageThresholds = thresholdsFromTripRequest(input.tripRequest);
+    warnings.push(...warningsFromGaps(detectCriticalGaps(stageRoute, shiftedPois, stageThresholds)));
+    return dedupeWarnings(warnings);
+}
+function planBForEndpoint(pois, endM, minM, maxM) {
+    const sleepPois = pois
+        .filter((poi) => poi.category === 'sleep' && typeof poi.metersFromStart === 'number')
+        .sort((left, right) => (left.metersFromStart ?? 0) - (right.metersFromStart ?? 0));
+    const earlier = [...sleepPois].reverse().find((poi) => (poi.metersFromStart ?? 0) < endM && (poi.metersFromStart ?? 0) >= minM);
+    const later = sleepPois.find((poi) => (poi.metersFromStart ?? 0) > endM && (poi.metersFromStart ?? 0) <= maxM);
+    if (!earlier && !later) {
+        return undefined;
+    }
+    return {
+        earlierEndMeters: earlier?.metersFromStart,
+        laterEndMeters: later?.metersFromStart,
+        reason: 'Fallback sleep endpoints inside the daily distance window.'
+    };
+}
+function confidenceRank(confidence) {
+    return confidence === 'known_good'
+        ? 6
+        : confidence === 'high'
+            ? 5
+            : confidence === 'medium'
+                ? 4
+                : confidence === 'low'
+                    ? 3
+                    : confidence === 'unknown'
+                        ? 2
+                        : 1;
+}
+function dedupeWarnings(warnings) {
+    const seen = new Set();
+    return warnings.filter((warning) => {
+        const key = `${warning.code}:${warning.metersFromStart ?? 0}`;
+        if (seen.has(key)) {
+            return false;
+        }
+        seen.add(key);
+        return true;
+    });
+}
+//# sourceMappingURL=staging.js.map
--- a/packages/shared/src/staging.js.map
+++ b/packages/shared/src/staging.js.map
--- a/packages/shared/src/staging.test.ts
+++ b/packages/shared/src/staging.test.ts
@@ -0,0 +1,34 @@
+import { describe, expect, it } from 'vitest';
+import { createMockRoute, mockPois, mockTripRequest } from './fixtures.js';
+import { planStages } from './staging.js';
+
+describe('stage planner', () => {
+  it('splits the sample trip into five plausible bikepacking stages', () => {
+    const route = createMockRoute();
+    const stages = planStages(route, mockPois, mockTripRequest);
+
+    expect(stages).toHaveLength(5);
+    expect(stages[0]?.distanceM).toBeGreaterThan(55000);
+    expect(stages[0]?.sleepCandidates[0]?.name).toBe('Lakeside campsite');
+    expect(stages.every((stage) => stage.distanceM <= mockTripRequest.dailyDistanceKm.max * 1000)).toBe(true);
+    expect(stages.some((stage) => stage.waterPois.length > 0)).toBe(true);
+  });
+
+  it('creates a three-day plan without hiding hard-constraint warnings', () => {
+    const route = createMockRoute();
+    const stages = planStages(route, mockPois, {
+      ...mockTripRequest,
+      startDate: undefined,
+      endDate: undefined,
+      dailyDistanceKm: { min: 100, target: 128, max: 138 },
+      dailyAscentM: { max: 2600 }
+    });
+
+    expect(stages).toHaveLength(3);
+    for (const stage of stages) {
+      if (stage.distanceM > 138000) {
+        expect(stage.warnings.map((warning) => warning.code)).toContain('STAGE_DISTANCE_OVER_MAX');
+      }
+    }
+  });
+});
--- a/packages/shared/src/staging.ts
+++ b/packages/shared/src/staging.ts
@@ -0,0 +1,269 @@
+import { coordinateAtDistance } from './geo.js';
+import { getProfile, thresholdsFromTripRequest } from './profiles.js';
+import { detectCriticalGaps, warningsFromGaps } from './pois.js';
+import type { Poi, RoutePlan, RouteWarning, StagePlan, TripRequest } from './types.js';
+
+const ENDPOINT_TOLERANCE_M = 8000;
+
+export function planStages(route: RoutePlan, pois: Poi[], tripRequest: TripRequest): StagePlan[] {
+  const profile = getProfile(tripRequest.profile);
+  const desiredStages = estimateStageCount(route.distanceM, tripRequest);
+  const stages: StagePlan[] = [];
+  let startMeters = 0;
+
+  for (let dayIndex = 1; dayIndex <= desiredStages; dayIndex += 1) {
+    const isLastStage = dayIndex === desiredStages;
+    const remainingStages = desiredStages - dayIndex;
+    const targetEnd = isLastStage ? route.distanceM : Math.round((route.distanceM / desiredStages) * dayIndex);
+    const minEnd = startMeters + tripRequest.dailyDistanceKm.min * 1000;
+    const maxEnd = Math.min(
+      route.distanceM - remainingStages * tripRequest.dailyDistanceKm.min * 1000,
+      startMeters + tripRequest.dailyDistanceKm.max * 1000
+    );
+    const boundedTarget = Math.max(minEnd, Math.min(maxEnd, targetEnd));
+    const sleepCandidate = isLastStage
+      ? undefined
+      : chooseSleepEndpoint(pois, boundedTarget, minEnd, maxEnd, tripRequest.sleepPreference);
+    const endMeters = isLastStage ? route.distanceM : sleepCandidate?.metersFromStart ?? boundedTarget;
+    const distanceM = Math.max(0, endMeters - startMeters);
+    const stagePois = poisWithin(pois, startMeters, endMeters);
+    const ascentM = estimateStageAscent(route, startMeters, endMeters);
+    const descentM = estimateStageDescent(route, startMeters, endMeters);
+    const stageWarnings = stageWarningsFor({
+      route,
+      stagePois,
+      startMeters,
+      endMeters,
+      distanceM,
+      ascentM,
+      tripRequest,
+      hasSleepEndpoint: isLastStage || Boolean(sleepCandidate)
+    });
+
+    stages.push({
+      id: `stage_${route.id}_${dayIndex}`,
+      routeId: route.id,
+      dayIndex,
+      startMeters,
+      endMeters,
+      distanceM,
+      ascentM,
+      descentM,
+      expectedRideTimeMinutes: expectedRideTimeMinutes(distanceM, ascentM, profile.roughSurfaceTolerance),
+      sleepCandidates: nearbyEndpointPois(stagePois, endMeters, 'sleep'),
+      waterPois: stagePois.filter((poi) => poi.category === 'water'),
+      foodPois: stagePois.filter((poi) => poi.category === 'food'),
+      repairPois: stagePois.filter((poi) => poi.category === 'repair'),
+      bailoutPois: stagePois.filter((poi) => poi.category === 'bailout'),
+      warnings: stageWarnings,
+      planB: planBForEndpoint(pois, endMeters, minEnd, maxEnd)
+    });
+
+    startMeters = endMeters;
+  }
+
+  return stages;
+}
+
+export function estimateStageCount(distanceM: number, tripRequest: TripRequest): number {
+  const dateDays = inclusiveDateDays(tripRequest.startDate, tripRequest.endDate);
+  const targetBasedStages = Math.max(1, Math.ceil(distanceM / Math.max(1, tripRequest.dailyDistanceKm.target * 1000)));
+  if (dateDays) {
+    const averageStageM = distanceM / dateDays;
+    if (averageStageM < tripRequest.dailyDistanceKm.min * 1000) {
+      return targetBasedStages;
+    }
+    if (averageStageM > tripRequest.dailyDistanceKm.max * 1000) {
+      return Math.max(dateDays, Math.ceil(distanceM / Math.max(1, tripRequest.dailyDistanceKm.max * 1000)));
+    }
+    return dateDays;
+  }
+  return targetBasedStages;
+}
+
+function inclusiveDateDays(startDate?: string, endDate?: string): number | undefined {
+  if (!startDate || !endDate) {
+    return undefined;
+  }
+  const start = Date.parse(`${startDate}T00:00:00Z`);
+  const end = Date.parse(`${endDate}T00:00:00Z`);
+  if (Number.isNaN(start) || Number.isNaN(end) || end < start) {
+    return undefined;
+  }
+  return Math.floor((end - start) / 86400000) + 1;
+}
+
+function chooseSleepEndpoint(
+  pois: Poi[],
+  targetM: number,
+  minM: number,
+  maxM: number,
+  sleepPreference: TripRequest['sleepPreference']
+): Poi | undefined {
+  const candidates = pois
+    .filter((poi) => poi.category === 'sleep')
+    .filter((poi) => typeof poi.metersFromStart === 'number')
+    .filter((poi) => {
+      const meters = poi.metersFromStart ?? 0;
+      return meters >= minM && meters <= maxM;
+    })
+    .filter((poi) => {
+      if (sleepPreference === 'indoor_only') {
+        return poi.tags?.sleepType === 'hostel' || poi.tags?.sleepType === 'hotel';
+      }
+      if (sleepPreference === 'official_campsites') {
+        return poi.tags?.sleepType === 'campsite';
+      }
+      return true;
+    });
+
+  return candidates.sort((left, right) => {
+    const leftDistance = Math.abs((left.metersFromStart ?? 0) - targetM);
+    const rightDistance = Math.abs((right.metersFromStart ?? 0) - targetM);
+    const confidenceDelta = confidenceRank(right.confidence) - confidenceRank(left.confidence);
+    return leftDistance - rightDistance || confidenceDelta;
+  })[0];
+}
+
+function poisWithin(pois: Poi[], startM: number, endM: number): Poi[] {
+  return pois
+    .filter((poi) => {
+      const meters = poi.metersFromStart;
+      return typeof meters === 'number' && meters >= startM && meters <= endM;
+    })
+    .sort((left, right) => (left.metersFromStart ?? 0) - (right.metersFromStart ?? 0));
+}
+
+function nearbyEndpointPois(pois: Poi[], endM: number, category: Poi['category']): Poi[] {
+  return pois
+    .filter((poi) => poi.category === category)
+    .filter((poi) => Math.abs((poi.metersFromStart ?? 0) - endM) <= ENDPOINT_TOLERANCE_M)
+    .slice(0, 4);
+}
+
+function estimateStageAscent(route: RoutePlan, startM: number, endM: number): number {
+  return Math.round(
+    route.segments.reduce((sum, segment) => {
+      const segmentStart = segment.startMeters ?? 0;
+      const segmentEnd = segment.endMeters ?? segmentStart + segment.distanceM;
+      const overlap = Math.max(0, Math.min(endM, segmentEnd) - Math.max(startM, segmentStart));
+      if (overlap === 0) {
+        return sum;
+      }
+      return sum + (segment.ascentM ?? 0) * (overlap / Math.max(1, segment.distanceM));
+    }, 0)
+  );
+}
+
+function estimateStageDescent(route: RoutePlan, startM: number, endM: number): number {
+  return Math.round(
+    route.segments.reduce((sum, segment) => {
+      const segmentStart = segment.startMeters ?? 0;
+      const segmentEnd = segment.endMeters ?? segmentStart + segment.distanceM;
+      const overlap = Math.max(0, Math.min(endM, segmentEnd) - Math.max(startM, segmentStart));
+      if (overlap === 0) {
+        return sum;
+      }
+      return sum + (segment.descentM ?? 0) * (overlap / Math.max(1, segment.distanceM));
+    }, 0)
+  );
+}
+
+function expectedRideTimeMinutes(distanceM: number, ascentM: number, roughSurfaceTolerance: number) {
+  const baseMovingKmh = 16 + roughSurfaceTolerance * 3;
+  const low = Math.round((distanceM / 1000 / baseMovingKmh) * 60 + (ascentM / 450) * 45);
+  const high = Math.round((distanceM / 1000 / Math.max(9, baseMovingKmh - 4)) * 60 + (ascentM / 350) * 55);
+  return { low, high };
+}
+
+function stageWarningsFor(input: {
+  route: RoutePlan;
+  stagePois: Poi[];
+  startMeters: number;
+  endMeters: number;
+  distanceM: number;
+  ascentM: number;
+  tripRequest: TripRequest;
+  hasSleepEndpoint: boolean;
+}): RouteWarning[] {
+  const warnings: RouteWarning[] = [];
+  const maxDistanceM = input.tripRequest.dailyDistanceKm.max * 1000;
+  if (input.distanceM > maxDistanceM) {
+    warnings.push({
+      code: 'STAGE_DISTANCE_OVER_MAX',
+      severity: 'warning',
+      title: 'Stage exceeds daily distance',
+      message: `Stage is ${(input.distanceM / 1000).toFixed(1)} km, above the requested ${input.tripRequest.dailyDistanceKm.max} km maximum.`,
+      metersFromStart: input.startMeters
+    });
+  }
+  if (input.tripRequest.dailyAscentM?.max && input.ascentM > input.tripRequest.dailyAscentM.max) {
+    warnings.push({
+      code: 'STAGE_ASCENT_OVER_MAX',
+      severity: 'warning',
+      title: 'Stage exceeds climbing limit',
+      message: `Stage climbs ${input.ascentM} m, above the requested ${input.tripRequest.dailyAscentM.max} m maximum.`,
+      metersFromStart: input.startMeters
+    });
+  }
+  if (!input.hasSleepEndpoint) {
+    warnings.push({
+      code: 'NO_CONFIDENT_SLEEP_ENDPOINT',
+      severity: 'warning',
+      title: 'No confident sleep endpoint',
+      message: 'No sleep POI matched the stage endpoint window. Plan a fallback before committing to this day.',
+      metersFromStart: input.endMeters
+    });
+  }
+
+  const stageRoute = { ...input.route, distanceM: input.endMeters - input.startMeters };
+  const shiftedPois = input.stagePois.map((poi) => ({
+    ...poi,
+    metersFromStart: typeof poi.metersFromStart === 'number' ? poi.metersFromStart - input.startMeters : undefined
+  }));
+  const stageThresholds = thresholdsFromTripRequest(input.tripRequest);
+  warnings.push(...warningsFromGaps(detectCriticalGaps(stageRoute, shiftedPois, stageThresholds)));
+  return dedupeWarnings(warnings);
+}
+
+function planBForEndpoint(pois: Poi[], endM: number, minM: number, maxM: number): StagePlan['planB'] {
+  const sleepPois = pois
+    .filter((poi) => poi.category === 'sleep' && typeof poi.metersFromStart === 'number')
+    .sort((left, right) => (left.metersFromStart ?? 0) - (right.metersFromStart ?? 0));
+  const earlier = [...sleepPois].reverse().find((poi) => (poi.metersFromStart ?? 0) < endM && (poi.metersFromStart ?? 0) >= minM);
+  const later = sleepPois.find((poi) => (poi.metersFromStart ?? 0) > endM && (poi.metersFromStart ?? 0) <= maxM);
+  if (!earlier && !later) {
+    return undefined;
+  }
+  return {
+    earlierEndMeters: earlier?.metersFromStart,
+    laterEndMeters: later?.metersFromStart,
+    reason: 'Fallback sleep endpoints inside the daily distance window.'
+  };
+}
+
+function confidenceRank(confidence: Poi['confidence']): number {
+  return confidence === 'known_good'
+    ? 6
+    : confidence === 'high'
+      ? 5
+      : confidence === 'medium'
+        ? 4
+        : confidence === 'low'
+          ? 3
+          : confidence === 'unknown'
+            ? 2
+            : 1;
+}
+
+function dedupeWarnings(warnings: RouteWarning[]): RouteWarning[] {
+  const seen = new Set<string>();
+  return warnings.filter((warning) => {
+    const key = `${warning.code}:${warning.metersFromStart ?? 0}`;
+    if (seen.has(key)) {
+      return false;
+    }
+    seen.add(key);
+    return true;
+  });
+}
--- a/packages/shared/src/types.d.ts
+++ b/packages/shared/src/types.d.ts
@@ -0,0 +1,216 @@
+export type Coordinate = {
+    lat: number;
+    lon: number;
+};
+export type BikepackingProfileId = 'loaded_gravel' | 'hardtail_bikepacking' | 'road_touring' | 'ebikepacking' | 'beginner_safe';
+export type SleepPreference = 'official_campsites' | 'mixed_budget' | 'indoor_only' | 'wild_where_legal' | 'any_safe_option';
+export type PoiCategory = 'water' | 'food' | 'sleep' | 'repair' | 'bailout' | 'charging' | 'emergency';
+export type Confidence = 'known_good' | 'high' | 'medium' | 'low' | 'unknown' | 'restricted' | 'conflicting';
+export type WarningSeverity = 'info' | 'notice' | 'warning' | 'critical';
+export type TripRequest = {
+    start: Coordinate;
+    end: Coordinate;
+    startDate?: string;
+    endDate?: string;
+    profile: BikepackingProfileId;
+    sleepPreference: SleepPreference;
+    dailyDistanceKm: {
+        min: number;
+        target: number;
+        max: number;
+    };
+    dailyAscentM?: {
+        target?: number;
+        max?: number;
+    };
+    maxLoadedGradePercent?: number;
+    preferredUnpavedPercent?: {
+        min?: number;
+        max?: number;
+    };
+    waterGapMaxKm?: number;
+    foodGapMaxKm?: number;
+    requireBailoutEveryKm?: number;
+};
+export type Trip = {
+    id: string;
+    title: string;
+    request: TripRequest;
+};
+export type RouteSegment = {
+    id: string;
+    geometry: Coordinate[];
+    distanceM: number;
+    startMeters?: number;
+    endMeters?: number;
+    ascentM?: number;
+    descentM?: number;
+    avgGradePercent?: number;
+    maxGradePercent?: number;
+    surface?: string;
+    smoothness?: string;
+    highway?: string;
+    bicycleAccess?: string;
+    legalAccessConfidence: Confidence;
+    trafficStress?: number;
+    officialCycleRoute?: boolean;
+    protectedAreaOverlap?: boolean;
+    communityScore?: number;
+    sourceConfidence: Confidence;
+};
+export type RouteWarning = {
+    code: string;
+    severity: WarningSeverity;
+    title: string;
+    message: string;
+    metersFromStart?: number;
+    segmentId?: string;
+};
+export type RoutePlan = {
+    id: string;
+    tripId: string;
+    geometry: Coordinate[];
+    distanceM: number;
+    ascentM: number;
+    descentM: number;
+    segments: RouteSegment[];
+    surfaceBreakdown: Record<string, number>;
+    suitabilityScore: number;
+    warnings: RouteWarning[];
+    provider: string;
+    attribution?: string[];
+};
+export type RoutePlanRequest = {
+    tripRequest: TripRequest;
+    provider?: string;
+};
+export type Poi = {
+    id: string;
+    category: PoiCategory;
+    name: string;
+    location: Coordinate;
+    source: string;
+    confidence: Confidence;
+    distanceFromRouteM?: number;
+    metersFromStart?: number;
+    detourDistanceM?: number;
+    openingHours?: string;
+    lastConfirmedAt?: string;
+    tags?: Record<string, string>;
+};
+export type StagePlanRequest = {
+    routeId: string;
+    tripRequest: TripRequest;
+};
+export type StagePlan = {
+    id: string;
+    routeId: string;
+    dayIndex: number;
+    startMeters: number;
+    endMeters: number;
+    distanceM: number;
+    ascentM?: number;
+    descentM?: number;
+    expectedRideTimeMinutes?: {
+        low: number;
+        high: number;
+    };
+    sleepCandidates: Poi[];
+    waterPois: Poi[];
+    foodPois: Poi[];
+    repairPois: Poi[];
+    bailoutPois: Poi[];
+    warnings: RouteWarning[];
+    planB?: {
+        earlierEndMeters?: number;
+        laterEndMeters?: number;
+        reason: string;
+    };
+};
+export type ServiceGap = {
+    category: PoiCategory;
+    startM: number;
+    endM: number;
+    distanceM: number;
+    severity: WarningSeverity;
+    explanation: string;
+};
+export type RuleCard = {
+    id: string;
+    ruleType: string;
+    jurisdiction: string;
+    status: string;
+    confidence: Confidence;
+    summary: string;
+    sourceUrl?: string;
+    lastReviewedAt?: string;
+};
+export type OfflinePackManifest = {
+    packId: string;
+    tripId: string;
+    routeId: string;
+    createdAt: string;
+    bbox: [number, number, number, number];
+    routeBufferKm: number;
+    includedLayers: string[];
+    dataVersions: Record<string, string>;
+    files: Array<{
+        type: string;
+        url?: string;
+        path?: string;
+        bytes?: number;
+    }>;
+    warnings: RouteWarning[];
+    expiresAt?: string;
+};
+export type LocalReportCreate = {
+    reportType: string;
+    location: Coordinate;
+    routeId?: string;
+    metersFromStart?: number;
+    observedAt: string;
+    details?: string;
+    payload?: Record<string, unknown>;
+    offlineClientId?: string;
+};
+export type LocalReport = LocalReportCreate & {
+    id: string;
+    moderationStatus: 'pending' | 'approved' | 'rejected';
+    trustScore: number;
+    queuedOffline?: boolean;
+};
+export type CriticalGapThresholds = Partial<Record<PoiCategory, number>>;
+export type HikeABikeRisk = 'low' | 'medium' | 'high' | 'critical';
+export type SegmentScore = {
+    segmentId?: string;
+    score: number;
+    hikeABikeRisk: HikeABikeRisk;
+    warnings: RouteWarning[];
+    costBreakdown: Record<string, number>;
+};
+export type RouteScore = {
+    suitabilityScore: number;
+    warnings: RouteWarning[];
+    segmentScores: SegmentScore[];
+    surfaceBreakdown: Record<string, number>;
+};
+export type BikepackingProfile = {
+    id: BikepackingProfileId;
+    label: string;
+    dailyDistanceKm: {
+        min: number;
+        target: number;
+        max: number;
+    };
+    maxGradeWarningPercent: number;
+    waterGapMaxKm: number;
+    foodGapMaxKm: number;
+    repairGapMaxKm: number;
+    bailoutGapMaxKm: number;
+    sleepGapMaxKm: number;
+    roughSurfaceTolerance: number;
+    trafficTolerance: number;
+    unknownAccessPenalty: number;
+    preferredSurfaces: string[];
+};
+//# sourceMappingURL=types.d.ts.map
--- a/packages/shared/src/types.d.ts.map
+++ b/packages/shared/src/types.d.ts.map
--- a/packages/shared/src/types.js
+++ b/packages/shared/src/types.js
@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=types.js.map
--- a/packages/shared/src/types.js.map
+++ b/packages/shared/src/types.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"types.js","sourceRoot":"","sources":["types.ts"],"names":[],"mappings":""}
--- a/packages/shared/src/types.ts
+++ b/packages/shared/src/types.ts
@@ -0,0 +1,243 @@
+export type Coordinate = {
+  lat: number;
+  lon: number;
+  elevationM?: number;
+};
+
+export type BikepackingProfileId =
+  | 'loaded_gravel'
+  | 'hardtail_bikepacking'
+  | 'road_touring'
+  | 'ebikepacking'
+  | 'beginner_safe';
+
+export type SleepPreference =
+  | 'official_campsites'
+  | 'mixed_budget'
+  | 'indoor_only'
+  | 'wild_where_legal'
+  | 'any_safe_option';
+
+export type PoiCategory =
+  | 'water'
+  | 'food'
+  | 'sleep'
+  | 'repair'
+  | 'bailout'
+  | 'charging'
+  | 'emergency';
+
+export type Confidence =
+  | 'known_good'
+  | 'high'
+  | 'medium'
+  | 'low'
+  | 'unknown'
+  | 'restricted'
+  | 'conflicting';
+
+export type WarningSeverity = 'info' | 'notice' | 'warning' | 'critical';
+
+export type TripRequest = {
+  start: Coordinate;
+  end: Coordinate;
+  viaPoints?: Coordinate[];
+  startDate?: string;
+  endDate?: string;
+  profile: BikepackingProfileId;
+  sleepPreference: SleepPreference;
+  dailyDistanceKm: { min: number; target: number; max: number };
+  dailyAscentM?: { target?: number; max?: number };
+  maxLoadedGradePercent?: number;
+  preferredUnpavedPercent?: { min?: number; max?: number };
+  waterGapMaxKm?: number;
+  foodGapMaxKm?: number;
+  requireBailoutEveryKm?: number;
+};
+
+export type Trip = {
+  id: string;
+  title: string;
+  request: TripRequest;
+};
+
+export type RouteSegment = {
+  id: string;
+  geometry: Coordinate[];
+  distanceM: number;
+  startMeters?: number;
+  endMeters?: number;
+  ascentM?: number;
+  descentM?: number;
+  avgGradePercent?: number;
+  maxGradePercent?: number;
+  surface?: string;
+  smoothness?: string;
+  highway?: string;
+  bicycleAccess?: string;
+  legalAccessConfidence: Confidence;
+  trafficStress?: number;
+  officialCycleRoute?: boolean;
+  protectedAreaOverlap?: boolean;
+  communityScore?: number;
+  sourceConfidence: Confidence;
+};
+
+export type RouteWarning = {
+  code: string;
+  severity: WarningSeverity;
+  title: string;
+  message: string;
+  metersFromStart?: number;
+  segmentId?: string;
+};
+
+export type RoutePlan = {
+  id: string;
+  tripId: string;
+  geometry: Coordinate[];
+  distanceM: number;
+  ascentM: number;
+  descentM: number;
+  segments: RouteSegment[];
+  surfaceBreakdown: Record<string, number>;
+  suitabilityScore: number;
+  warnings: RouteWarning[];
+  provider: string;
+  attribution?: string[];
+};
+
+export type RoutePlanRequest = {
+  tripRequest: TripRequest;
+  provider?: string;
+};
+
+export type Poi = {
+  id: string;
+  category: PoiCategory;
+  name: string;
+  location: Coordinate;
+  source: string;
+  confidence: Confidence;
+  distanceFromRouteM?: number;
+  metersFromStart?: number;
+  detourDistanceM?: number;
+  openingHours?: string;
+  lastConfirmedAt?: string;
+  tags?: Record<string, string>;
+};
+
+export type StagePlanRequest = {
+  routeId: string;
+  tripRequest: TripRequest;
+};
+
+export type StagePlan = {
+  id: string;
+  routeId: string;
+  dayIndex: number;
+  startMeters: number;
+  endMeters: number;
+  distanceM: number;
+  ascentM?: number;
+  descentM?: number;
+  expectedRideTimeMinutes?: { low: number; high: number };
+  sleepCandidates: Poi[];
+  waterPois: Poi[];
+  foodPois: Poi[];
+  repairPois: Poi[];
+  bailoutPois: Poi[];
+  warnings: RouteWarning[];
+  planB?: {
+    earlierEndMeters?: number;
+    laterEndMeters?: number;
+    reason: string;
+  };
+};
+
+export type ServiceGap = {
+  category: PoiCategory;
+  startM: number;
+  endM: number;
+  distanceM: number;
+  severity: WarningSeverity;
+  explanation: string;
+};
+
+export type RuleCard = {
+  id: string;
+  ruleType: string;
+  jurisdiction: string;
+  status: string;
+  confidence: Confidence;
+  summary: string;
+  sourceUrl?: string;
+  lastReviewedAt?: string;
+};
+
+export type OfflinePackManifest = {
+  packId: string;
+  tripId: string;
+  routeId: string;
+  createdAt: string;
+  bbox: [number, number, number, number];
+  routeBufferKm: number;
+  includedLayers: string[];
+  dataVersions: Record<string, string>;
+  files: Array<{ type: string; url?: string; path?: string; bytes?: number }>;
+  warnings: RouteWarning[];
+  expiresAt?: string;
+};
+
+export type LocalReportCreate = {
+  reportType: string;
+  location: Coordinate;
+  routeId?: string;
+  metersFromStart?: number;
+  observedAt: string;
+  details?: string;
+  payload?: Record<string, unknown>;
+  offlineClientId?: string;
+};
+
+export type LocalReport = LocalReportCreate & {
+  id: string;
+  moderationStatus: 'pending' | 'approved' | 'rejected';
+  trustScore: number;
+  queuedOffline?: boolean;
+};
+
+export type CriticalGapThresholds = Partial<Record<PoiCategory, number>>;
+
+export type HikeABikeRisk = 'low' | 'medium' | 'high' | 'critical';
+
+export type SegmentScore = {
+  segmentId?: string;
+  score: number;
+  hikeABikeRisk: HikeABikeRisk;
+  warnings: RouteWarning[];
+  costBreakdown: Record<string, number>;
+};
+
+export type RouteScore = {
+  suitabilityScore: number;
+  warnings: RouteWarning[];
+  segmentScores: SegmentScore[];
+  surfaceBreakdown: Record<string, number>;
+};
+
+export type BikepackingProfile = {
+  id: BikepackingProfileId;
+  label: string;
+  dailyDistanceKm: { min: number; target: number; max: number };
+  maxGradeWarningPercent: number;
+  waterGapMaxKm: number;
+  foodGapMaxKm: number;
+  repairGapMaxKm: number;
+  bailoutGapMaxKm: number;
+  sleepGapMaxKm: number;
+  roughSurfaceTolerance: number;
+  trafficTolerance: number;
+  unknownAccessPenalty: number;
+  preferredSurfaces: string[];
+};
				`@@ -0,0 +1 @@`
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