diff --git a/openspec/changes/activity-photos/specs/activity-photos/spec.md b/openspec/changes/activity-photos/specs/activity-photos/spec.md
new file mode 100644
index 0000000..aa24477
--- /dev/null
+++ b/openspec/changes/activity-photos/specs/activity-photos/spec.md
@@ -0,0 +1,52 @@
+## ADDED Requirements
+
+### Requirement: Photo upload via presigned URLs
+Users SHALL be able to upload photos to an activity using presigned PUT URLs, with client-side image processing before upload.
+
+#### Scenario: Upload photo
+- **WHEN** a user selects a photo on the activity detail page
+- **THEN** the client resizes the image (max 2048px long edge), strips EXIF data, converts to WebP
+- **AND** requests a presigned PUT URL from `POST /api/activities/:id/photos`
+- **AND** uploads directly to Garage (S3-compatible storage)
+- **AND** confirms the upload via `PATCH /api/activities/:id/photos/:photoId`
+
+#### Scenario: Size limit enforced
+- **WHEN** a processed photo exceeds 5 MB
+- **THEN** the presigned URL rejects the upload via content-length condition
+
+#### Scenario: Per-activity photo limit
+- **WHEN** an activity already has 20 photos
+- **THEN** the server rejects new presigned URL requests
+
+### Requirement: Photo gallery display
+The activity detail page SHALL display uploaded photos in a responsive grid with lightbox viewing.
+
+#### Scenario: Gallery grid
+- **WHEN** a user views an activity with photos
+- **THEN** photos are displayed in a responsive grid (1 column mobile, 2 tablet, 3 desktop) with lazy loading
+
+#### Scenario: Lightbox view
+- **WHEN** a user clicks a photo in the gallery
+- **THEN** a full-size lightbox overlay opens with left/right navigation and close on escape
+
+### Requirement: Photo deletion
+Activity owners SHALL be able to delete photos with soft delete and background S3 cleanup.
+
+#### Scenario: Delete photo
+- **WHEN** a user clicks the delete icon on a photo
+- **THEN** the photo status is set to 'deleted' and it disappears from the UI
+- **AND** the S3 object is cleaned up on next page load or periodic cleanup
+
+### Requirement: Photo storage infrastructure
+Photos SHALL be stored in Garage (S3-compatible, self-hosted) running as a Docker container.
+
+#### Scenario: Garage container
+- **WHEN** docker compose starts
+- **THEN** a Garage container is running with an `activity-photos` bucket
+
+### Requirement: Photo privacy disclosure
+Photo storage and EXIF handling SHALL be documented in the privacy manifest.
+
+#### Scenario: Privacy page updated
+- **WHEN** a user visits the privacy page
+- **THEN** it documents photo storage location, EXIF stripping, and deletion behavior
diff --git a/openspec/changes/local-dev-stack/specs/local-dev-environment/spec.md b/openspec/changes/local-dev-stack/specs/local-dev-environment/spec.md
new file mode 100644
index 0000000..af699e6
--- /dev/null
+++ b/openspec/changes/local-dev-stack/specs/local-dev-environment/spec.md
@@ -0,0 +1,29 @@
+## MODIFIED Requirements
+
+### Requirement: Optional local monitoring stack
+The dev environment SHALL support an optional monitoring profile matching the production stack.
+
+#### Scenario: Start with monitoring
+- **WHEN** a developer runs `pnpm dev:full` with `--profile monitoring`
+- **THEN** Prometheus, Grafana, and Loki start alongside the app services
+
+### Requirement: Production-aligned PostgreSQL config
+The dev PostgreSQL SHALL match production configuration including pg_stat_statements.
+
+#### Scenario: pg_stat_statements available
+- **WHEN** the dev PostgreSQL container starts
+- **THEN** pg_stat_statements is enabled via initialization scripts
+
+### Requirement: Database seed script
+The dev environment SHALL provide a seed script for consistent test data.
+
+#### Scenario: Seed database
+- **WHEN** a developer runs the seed script
+- **THEN** test users, routes, and activities are created in the local database
+
+### Requirement: Dev environment reset
+The dev environment SHALL provide a command to tear down and recreate the local stack.
+
+#### Scenario: Reset dev environment
+- **WHEN** a developer runs `pnpm dev:reset`
+- **THEN** all Docker volumes are removed, containers are recreated, and the database is re-seeded
diff --git a/openspec/changes/multi-day-routes/specs/multi-day-routes/spec.md b/openspec/changes/multi-day-routes/specs/multi-day-routes/spec.md
new file mode 100644
index 0000000..45c50a4
--- /dev/null
+++ b/openspec/changes/multi-day-routes/specs/multi-day-routes/spec.md
@@ -0,0 +1,50 @@
+## ADDED Requirements
+
+### Requirement: Overnight waypoint markers
+Any waypoint SHALL be toggleable as an overnight stop, creating day boundaries in the route.
+
+#### Scenario: Toggle overnight
+- **WHEN** a user toggles the overnight flag on a waypoint
+- **THEN** the waypoint's `overnight: true` flag is set in the Yjs document
+- **AND** the route is visually divided into days at that point
+
+#### Scenario: Implicit day boundaries
+- **WHEN** overnight stops are set
+- **THEN** the first waypoint is the implicit start of Day 1 and the last waypoint is the implicit end of the final day
+
+### Requirement: Per-day statistics
+The Planner SHALL compute and display distance, ascent, and estimated duration for each day.
+
+#### Scenario: Day stats computed
+- **WHEN** a route has overnight waypoints
+- **THEN** per-day distance, total ascent, and estimated duration are derived from segment boundaries and coordinates
+
+### Requirement: Day-aware sidebar
+The sidebar SHALL group waypoints by day with collapsible sections and per-day stats.
+
+#### Scenario: Day breakdown
+- **WHEN** a route has multiple days
+- **THEN** waypoints are grouped under "Day 1", "Day 2", etc. with collapsible sections
+- **AND** each section header shows day distance and ascent
+
+### Requirement: Elevation chart day dividers
+The elevation chart SHALL show day boundaries as dashed vertical lines.
+
+#### Scenario: Day dividers on chart
+- **WHEN** a route has multiple days
+- **THEN** dashed vertical lines with "Day N" labels appear at each overnight waypoint position
+
+### Requirement: Map day labels
+The map SHALL display day summary labels at day boundary waypoints.
+
+#### Scenario: Day labels on map
+- **WHEN** a route has multiple days
+- **THEN** white pill markers at day boundaries show "Day N . X km"
+
+### Requirement: Multi-day GPX export
+Day structure SHALL be preserved in GPX exports via waypoint type elements.
+
+#### Scenario: Export multi-day route
+- **WHEN** a user exports a plan with overnight waypoints
+- **THEN** overnight waypoints include a `<type>overnight</type>` element in the GPX
+- **AND** reimporting the GPX restores the day structure
diff --git a/openspec/changes/route-discovery/specs/route-discovery/spec.md b/openspec/changes/route-discovery/specs/route-discovery/spec.md
new file mode 100644
index 0000000..93264b9
--- /dev/null
+++ b/openspec/changes/route-discovery/specs/route-discovery/spec.md
@@ -0,0 +1,28 @@
+## ADDED Requirements
+
+### Requirement: Map-based route exploration
+The Journal SHALL provide an explore page with a full-page map for browsing public routes by location.
+
+#### Scenario: Browse public routes
+- **WHEN** a user visits `/routes/explore`
+- **THEN** a full-page Leaflet map is displayed
+- **AND** public routes within the current viewport are shown as clickable polylines
+
+#### Scenario: Route popup
+- **WHEN** a user clicks a route polyline on the explore map
+- **THEN** a popup shows the route name, distance, elevation gain, author, and a link to the detail page
+
+### Requirement: Bounding box spatial query
+The Journal SHALL provide an API endpoint for querying public routes by map viewport bounds.
+
+#### Scenario: Viewport query
+- **WHEN** the map viewport changes
+- **THEN** the client requests routes intersecting the current bounds via PostGIS `ST_Intersects`
+- **AND** results are limited to 50 routes with simplified geometries
+
+### Requirement: Spatial index
+The routes table SHALL have a GiST index on the geometry column for fast bounding box queries.
+
+#### Scenario: Index exists
+- **WHEN** the database is set up
+- **THEN** a GiST index on `journal.routes.geom` supports efficient spatial queries
diff --git a/openspec/changes/route-sharing/specs/route-sharing/spec.md b/openspec/changes/route-sharing/specs/route-sharing/spec.md
new file mode 100644
index 0000000..bd8fddf
--- /dev/null
+++ b/openspec/changes/route-sharing/specs/route-sharing/spec.md
@@ -0,0 +1,38 @@
+## ADDED Requirements
+
+### Requirement: Route visibility
+Routes and activities SHALL support private (default) and public visibility levels.
+
+#### Scenario: Set route public
+- **WHEN** a route owner toggles visibility to "public"
+- **THEN** the route is viewable by anyone with the link
+
+#### Scenario: Default private
+- **WHEN** a new route is created
+- **THEN** its visibility is "private" (owner-only)
+
+### Requirement: Per-user route sharing
+Route owners SHALL be able to share routes with specific users at view or edit permission levels.
+
+#### Scenario: Share with user
+- **WHEN** a route owner shares a route with another user at "view" level
+- **THEN** the shared user sees the route in their collection and can view it
+
+#### Scenario: Edit permission
+- **WHEN** a route owner shares a route with "edit" permission
+- **THEN** the shared user can update the route name, description, and GPX
+
+### Requirement: Route forking
+Logged-in users SHALL be able to fork any public route into their own collection.
+
+#### Scenario: Fork public route
+- **WHEN** a user clicks "Fork" on a public route
+- **THEN** a copy of the route metadata and latest GPX is created in their collection
+- **AND** a `forkedFromId` link references the original route
+
+### Requirement: Contributor tracking
+Route versions SHALL record the identity of the contributor who saved them.
+
+#### Scenario: Planner callback contributor
+- **WHEN** the Planner saves back to the Journal via JWT callback
+- **THEN** the contributor's identity is recorded on the new route version
diff --git a/openspec/changes/visual-redesign/specs/design-system/spec.md b/openspec/changes/visual-redesign/specs/design-system/spec.md
new file mode 100644
index 0000000..e01a1b8
--- /dev/null
+++ b/openspec/changes/visual-redesign/specs/design-system/spec.md
@@ -0,0 +1,40 @@
+## ADDED Requirements
+
+### Requirement: Design token system
+The Planner SHALL use CSS custom properties for colors, typography, and spacing with Tailwind config extensions.
+
+#### Scenario: Consistent styling
+- **WHEN** a component is styled
+- **THEN** it uses project design tokens (warm off-whites, sage green accent, earthy tones) via Tailwind classes
+
+#### Scenario: Typography
+- **WHEN** text is rendered
+- **THEN** body text uses Outfit font and statistics use Geist Mono
+
+### Requirement: Redesigned topbar
+The Planner topbar SHALL include a logo, segmented color mode toggle, participant avatars, and export controls.
+
+#### Scenario: Topbar layout
+- **WHEN** a user is in a planning session
+- **THEN** the topbar shows: logo with mountain mark, color mode toggle, participant avatars with names, and Export GPX button
+
+### Requirement: Redesigned sidebar
+The Planner sidebar SHALL display a route summary header with stats, collapsible day breakdown, and waypoints nested inside days.
+
+#### Scenario: Route summary
+- **WHEN** a route is computed
+- **THEN** the sidebar header shows route name, distance, ascent, and estimated duration
+
+### Requirement: Redesigned map markers
+Map waypoint markers SHALL use olive/dark numbered circles with overnight badges on stop waypoints.
+
+#### Scenario: Marker styling
+- **WHEN** waypoints are displayed on the map
+- **THEN** they appear as dark numbered circles instead of default blue markers
+
+### Requirement: Mobile responsive layout
+The Planner SHALL use a bottom sheet pattern on mobile instead of a hidden sidebar.
+
+#### Scenario: Mobile view
+- **WHEN** the Planner is viewed on a mobile device
+- **THEN** a bottom sheet replaces the sidebar with swipeable tabs (Days/Waypoints/Notes)
diff --git a/openspec/changes/waypoint-notes/specs/waypoint-notes/spec.md b/openspec/changes/waypoint-notes/specs/waypoint-notes/spec.md
new file mode 100644
index 0000000..1a8e3d5
--- /dev/null
+++ b/openspec/changes/waypoint-notes/specs/waypoint-notes/spec.md
@@ -0,0 +1,46 @@
+## ADDED Requirements
+
+### Requirement: Per-waypoint text notes
+Each waypoint SHALL support an optional plain-text note synced via Yjs.
+
+#### Scenario: Add note to waypoint
+- **WHEN** a user clicks the note area under a waypoint in the sidebar and types text
+- **THEN** the note is stored in the waypoint's Y.Map as a `note` string field
+- **AND** auto-saves on blur
+
+#### Scenario: Note syncs to participants
+- **WHEN** a user adds or edits a waypoint note
+- **THEN** all other participants see the update in real-time via Yjs
+
+### Requirement: Map note indicators
+Waypoint markers with notes SHALL show a visual indicator on the map.
+
+#### Scenario: Note icon on marker
+- **WHEN** a waypoint has a note
+- **THEN** its map marker shows a small note icon
+
+#### Scenario: Note tooltip
+- **WHEN** a user hovers or taps a marker with a note
+- **THEN** the note text appears in a tooltip
+
+### Requirement: Notes in GPX export
+Waypoint notes SHALL be exported as `<desc>` elements in GPX output.
+
+#### Scenario: Export notes
+- **WHEN** a user exports a plan with waypoint notes
+- **THEN** each waypoint's note appears as a `<desc>` element in the GPX file
+
+### Requirement: Nearby POI display
+When a waypoint is selected, nearby POIs from OpenStreetMap SHALL be shown on the map and in the sidebar.
+
+#### Scenario: POI lookup
+- **WHEN** a user selects a waypoint
+- **THEN** nearby POIs are fetched from the Overpass API and displayed as small markers on the map and as a list in the sidebar
+
+### Requirement: Snap waypoint to POI
+Users SHALL be able to move a waypoint to a nearby POI's exact coordinates.
+
+#### Scenario: Snap to POI
+- **WHEN** a user clicks a nearby POI
+- **THEN** the waypoint moves to the POI's coordinates
+- **AND** the POI's name and type are added as a note prefix (e.g., "Campsite - Waldcamp Fichtelberg")
diff --git a/openspec/specs/account-settings/spec.md b/openspec/specs/account-settings/spec.md
index e323676..385c578 100644
--- a/openspec/specs/account-settings/spec.md
+++ b/openspec/specs/account-settings/spec.md
@@ -1,4 +1,8 @@
-## MODIFIED Requirements
+## Purpose
+
+User account settings page with connected services management, profile editing, and security controls.
+
+## Requirements
 
 ### Requirement: Connected Services section
 The settings page SHALL include a "Connected Services" section for managing external integrations.
diff --git a/openspec/specs/activity-feed/spec.md b/openspec/specs/activity-feed/spec.md
index aed90e4..21f2c7b 100644
--- a/openspec/specs/activity-feed/spec.md
+++ b/openspec/specs/activity-feed/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+Activity creation, chronological feed, detail views, and route linking in the Journal app.
+
+## Requirements
 
 ### Requirement: Create activity
 The Journal SHALL allow authenticated users to create an activity by uploading a GPX trace and adding a description.
diff --git a/openspec/specs/brouter-integration/spec.md b/openspec/specs/brouter-integration/spec.md
index 6757712..3ccf4fa 100644
--- a/openspec/specs/brouter-integration/spec.md
+++ b/openspec/specs/brouter-integration/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+Route computation between waypoints via the BRouter HTTP API, including routing host election, result broadcasting via Yjs, profile selection, and rate-limited proxying.
+
+## Requirements
 
 ### Requirement: Route computation from waypoints
 The Planner SHALL compute a route between ordered waypoints by calling the BRouter HTTP API with tiledesc enabled and returning the result as an EnrichedRoute, preserving per-point elevation, surface data, and segment boundary indices.
diff --git a/openspec/specs/crash-recovery/spec.md b/openspec/specs/crash-recovery/spec.md
index 20de3f4..d760b38 100644
--- a/openspec/specs/crash-recovery/spec.md
+++ b/openspec/specs/crash-recovery/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Browser crash resilience via localStorage-based Yjs state persistence and recovery on reconnect.
+
 ## Requirements
 
 ### Requirement: localStorage crash recovery
diff --git a/openspec/specs/gpx-import/spec.md b/openspec/specs/gpx-import/spec.md
index 2666e02..f066bff 100644
--- a/openspec/specs/gpx-import/spec.md
+++ b/openspec/specs/gpx-import/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+GPX file import in the Planner via home page file picker and in-session drag-and-drop, with client-side parsing and waypoint extraction.
+
+## Requirements
 
 ### Requirement: Import GPX from home page
 Users SHALL be able to import a GPX file from the planner home page to start a new planning session.
@@ -30,7 +34,9 @@ Users SHALL be able to drag a GPX file onto the map in an existing session.
 - **WHEN** a user drops a GPX file and the confirmation dialog appears
 - **THEN** clicking "Cancel" leaves the session unchanged
 
-### Requirement: Non-GPX files are rejected
+### Requirement: Non-GPX file rejection
+The Planner SHALL reject non-GPX files dropped on the map.
+
 #### Scenario: Drop non-GPX file
 - **WHEN** a user drops a non-GPX file on the map
 - **THEN** the file is ignored with a brief error toast
diff --git a/openspec/specs/infrastructure/spec.md b/openspec/specs/infrastructure/spec.md
index b37dfe6..b708a26 100644
--- a/openspec/specs/infrastructure/spec.md
+++ b/openspec/specs/infrastructure/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+Server provisioning on Hetzner, Docker Compose deployment, CI/CD pipelines, database and BRouter management, TLS, Sentry, Grafana, and monitoring stack for the flagship instance.
+
+## Requirements
 
 ### Requirement: Terraform Hetzner provisioning
 Infrastructure SHALL be provisioned on Hetzner Cloud using Terraform with the Hetzner provider.
diff --git a/openspec/specs/journal-auth/spec.md b/openspec/specs/journal-auth/spec.md
index 4d8a60e..ffd4d34 100644
--- a/openspec/specs/journal-auth/spec.md
+++ b/openspec/specs/journal-auth/spec.md
@@ -1,4 +1,8 @@
-## MODIFIED Requirements
+## Purpose
+
+Authentication for the Journal app, including OAuth token storage for external services in the sync_connections table.
+
+## Requirements
 
 ### Requirement: Store external service tokens
 The journal auth system SHALL store OAuth tokens for external services alongside user credentials.
diff --git a/openspec/specs/local-dev-environment/spec.md b/openspec/specs/local-dev-environment/spec.md
index d943ad8..e9de720 100644
--- a/openspec/specs/local-dev-environment/spec.md
+++ b/openspec/specs/local-dev-environment/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+One-command local development setup with PostgreSQL, BRouter, automatic schema migration, and segment downloading.
+
+## Requirements
 
 ### Requirement: One-command dev startup
 The project SHALL provide a single command that starts all services needed for local development.
diff --git a/openspec/specs/map-display/spec.md b/openspec/specs/map-display/spec.md
index f9c7760..bdbb97e 100644
--- a/openspec/specs/map-display/spec.md
+++ b/openspec/specs/map-display/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+Interactive map rendering with Leaflet and OSM tiles, waypoint editing, route visualization, elevation profiles, multiplayer cursors, and polygon drawing for both Planner and Journal apps.
+
+## Requirements
 
 ### Requirement: Map rendering with OSM tiles
 The Planner and Journal SHALL render interactive maps using Leaflet with OpenStreetMap tiles as the default base layer.
diff --git a/openspec/specs/no-go-areas/spec.md b/openspec/specs/no-go-areas/spec.md
index 5c4c60d..d60a68f 100644
--- a/openspec/specs/no-go-areas/spec.md
+++ b/openspec/specs/no-go-areas/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Polygon-based route avoidance areas drawn on the map, synced via Yjs, sent to BRouter as constraints, and persisted in GPX extensions.
+
 ## Requirements
 
 ### Requirement: Draw no-go areas
@@ -35,22 +39,16 @@ No-go areas SHALL be preserved when saving to the journal or exporting a plan.
 - **AND** the file is compatible with any GPX-consuming application
 
 ### Requirement: GPX extensions format
-No-go areas are stored in GPX using a custom XML namespace:
+No-go areas SHALL be stored in GPX using the `trails:planning` custom XML namespace with point-based polygon representation.
 
-```xml
-<gpx xmlns:trails="https://trails.cool/gpx/1">
-  <extensions>
-    <trails:planning>
-      <trails:nogo>
-        <trails:point lat="52.5" lon="13.3"/>
-        <trails:point lat="52.4" lon="13.4"/>
-        <trails:point lat="52.3" lon="13.2"/>
-      </trails:nogo>
-    </trails:planning>
-  </extensions>
-</gpx>
-```
+#### Scenario: Valid no-go area in GPX
+- **WHEN** a GPX file contains a `<trails:nogo>` element with 3+ `<trails:point>` child elements
+- **THEN** the parser creates a no-go area polygon from the point coordinates
 
-- Each `<trails:nogo>` element contains 3+ `<trails:point>` elements
-- Parser accepts both namespaced (`trails:nogo`) and non-namespaced (`nogo`) elements
-- Areas with fewer than 3 points are rejected on parse
+#### Scenario: Namespace-agnostic parsing
+- **WHEN** a GPX file contains non-namespaced `<nogo>` elements instead of `<trails:nogo>`
+- **THEN** the parser accepts them identically
+
+#### Scenario: Invalid no-go area rejected
+- **WHEN** a GPX file contains a no-go area with fewer than 3 points
+- **THEN** the parser rejects it
diff --git a/openspec/specs/observability/spec.md b/openspec/specs/observability/spec.md
index 88ae7ca..ae48ccc 100644
--- a/openspec/specs/observability/spec.md
+++ b/openspec/specs/observability/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Health endpoints, Prometheus metrics, structured logging, Grafana dashboards, and alerting for both apps and the flagship instance.
+
 ## Requirements
 
 ### Requirement: Health endpoints
diff --git a/openspec/specs/planner-journal-handoff/spec.md b/openspec/specs/planner-journal-handoff/spec.md
index 900a2a0..ec2bf29 100644
--- a/openspec/specs/planner-journal-handoff/spec.md
+++ b/openspec/specs/planner-journal-handoff/spec.md
@@ -1,7 +1,11 @@
-## MODIFIED Requirements
+## Purpose
+
+Round-trip GPX exchange between Planner and Journal, including JWT-scoped callbacks for saving routes and GPX reimport in the Planner.
+
+## Requirements
 
 ### Requirement: Export Plan reimport
-The "Export Plan" GPX can now be reimported directly in the planner via the file upload UI, completing the round-trip without needing the journal.
+The Planner SHALL support reimporting an exported plan GPX via the file upload UI, completing the round-trip without needing the journal.
 
 #### Scenario: Reimport exported plan
 - **WHEN** a user exports a plan and later imports it via the planner's GPX upload
diff --git a/openspec/specs/planner-session/spec.md b/openspec/specs/planner-session/spec.md
index 9026a2b..e839e41 100644
--- a/openspec/specs/planner-session/spec.md
+++ b/openspec/specs/planner-session/spec.md
@@ -1,7 +1,11 @@
-## MODIFIED Requirements
+## Purpose
 
-### Requirement: Session initialization
-Sessions can now be initialized from a GPX file upload in addition to URL parameters and the journal handoff.
+Collaborative planning session management with Yjs CRDT synchronization, supporting initialization from URL parameters, journal handoff, and GPX file upload.
+
+## Requirements
+
+### Requirement: Session initialization from GPX
+The Planner SHALL support initializing sessions from a GPX file upload in addition to URL parameters and the journal handoff.
 
 #### Scenario: Session created from GPX upload
 - **WHEN** a session is created via GPX file upload on the home page
diff --git a/openspec/specs/rate-limiting/spec.md b/openspec/specs/rate-limiting/spec.md
index d9e8681..0e81957 100644
--- a/openspec/specs/rate-limiting/spec.md
+++ b/openspec/specs/rate-limiting/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Request rate limiting for Planner session creation and BRouter API calls to prevent abuse.
+
 ## Requirements
 
 ### Requirement: Session creation rate limit
diff --git a/openspec/specs/route-coloring/spec.md b/openspec/specs/route-coloring/spec.md
index a837197..be460ea 100644
--- a/openspec/specs/route-coloring/spec.md
+++ b/openspec/specs/route-coloring/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Multi-mode route visualization (plain, elevation gradient, surface type) with session-synced color mode selection.
+
 ## Requirements
 
 ### Requirement: Route color modes
diff --git a/openspec/specs/route-drag-reshape/spec.md b/openspec/specs/route-drag-reshape/spec.md
index 676ecb5..a5002c7 100644
--- a/openspec/specs/route-drag-reshape/spec.md
+++ b/openspec/specs/route-drag-reshape/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Ghost marker drag interaction for reshaping routes by inserting new waypoints mid-segment.
+
 ## Requirements
 
 ### Requirement: Ghost marker on route hover
diff --git a/openspec/specs/route-management/spec.md b/openspec/specs/route-management/spec.md
index b911f1e..df14b4b 100644
--- a/openspec/specs/route-management/spec.md
+++ b/openspec/specs/route-management/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+Route CRUD operations, GPX import/export, sequential versioning, PostGIS spatial storage, and route metadata in the Journal app.
+
+## Requirements
 
 ### Requirement: Create route
 The Journal SHALL allow authenticated users to create a new route with a name and optional description.
diff --git a/openspec/specs/route-preview/spec.md b/openspec/specs/route-preview/spec.md
index 6b4a297..52c6bcf 100644
--- a/openspec/specs/route-preview/spec.md
+++ b/openspec/specs/route-preview/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+Map thumbnails on route and activity list pages, and interactive maps with zoom and layer switching on detail pages.
+
+## Requirements
 
 ### Requirement: Route map preview on list pages
 Route and activity list pages SHALL show a small map thumbnail for each item that has geometry.
diff --git a/openspec/specs/route-splitting/spec.md b/openspec/specs/route-splitting/spec.md
index 95cb2f1..54e1556 100644
--- a/openspec/specs/route-splitting/spec.md
+++ b/openspec/specs/route-splitting/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Waypoint insertion by clicking the ghost marker on the route polyline, splitting a segment into two.
+
 ## Requirements
 
 ### Requirement: Insert waypoint by clicking on route
diff --git a/openspec/specs/secret-management/spec.md b/openspec/specs/secret-management/spec.md
index 3d64bb1..d31b9c2 100644
--- a/openspec/specs/secret-management/spec.md
+++ b/openspec/specs/secret-management/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+SOPS-encrypted secrets stored in the repository, split into app and infra files, decryptable with a single age key at deploy time.
+
 ## Requirements
 
 ### Requirement: Encrypted secrets in repository
diff --git a/openspec/specs/security-hardening/spec.md b/openspec/specs/security-hardening/spec.md
index 874ec46..35b4e7e 100644
--- a/openspec/specs/security-hardening/spec.md
+++ b/openspec/specs/security-hardening/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Security headers, scanner path blocking, secret scanning, dependency auditing, non-root containers, and vulnerability disclosure policy.
+
 ## Requirements
 
 ### Requirement: Security response headers
diff --git a/openspec/specs/session-notes/spec.md b/openspec/specs/session-notes/spec.md
index dac0808..1c206c2 100644
--- a/openspec/specs/session-notes/spec.md
+++ b/openspec/specs/session-notes/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Collaborative text notes in Planner sessions, synced in real-time via Yjs.
+
 ## Requirements
 
 ### Requirement: Collaborative session notes
diff --git a/openspec/specs/shared-packages/spec.md b/openspec/specs/shared-packages/spec.md
index ec7aa45..960cc45 100644
--- a/openspec/specs/shared-packages/spec.md
+++ b/openspec/specs/shared-packages/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+Shared TypeScript packages (@trails-cool/types, gpx, map, ui, i18n) used by both Planner and Journal apps.
+
+## Requirements
 
 ### Requirement: Shared types package
 The `@trails-cool/types` package SHALL export TypeScript interfaces for Route, Activity, Waypoint, RouteVersion, and RouteMetadata used by both apps.
diff --git a/openspec/specs/transactional-emails/spec.md b/openspec/specs/transactional-emails/spec.md
index 4e50bee..3edd696 100644
--- a/openspec/specs/transactional-emails/spec.md
+++ b/openspec/specs/transactional-emails/spec.md
@@ -1,3 +1,7 @@
+## Purpose
+
+Transactional email sending with HTML and plain-text templates for magic links and welcome messages, using SMTP in production and console logging in dev.
+
 ## Requirements
 
 ### Requirement: Email sending interface
diff --git a/openspec/specs/wahoo-import/spec.md b/openspec/specs/wahoo-import/spec.md
index 2b34eff..881905f 100644
--- a/openspec/specs/wahoo-import/spec.md
+++ b/openspec/specs/wahoo-import/spec.md
@@ -1,4 +1,8 @@
-## ADDED Requirements
+## Purpose
+
+Provider-agnostic activity sync framework with Wahoo as the first provider, supporting OAuth connection, webhook-based automatic sync, manual import, and FIT-to-GPX conversion.
+
+## Requirements
 
 ### Requirement: Provider-agnostic sync framework
 The system SHALL provide a common interface for external activity sync providers.