docs(03): create phase plan for setups and dashboard

.planning/phases/03-setups-and-dashboard/03-03-PLAN.md

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+---
+phase: 03-setups-and-dashboard
+plan: 03
+type: execute
+wave: 3
+depends_on: ["03-01", "03-02"]
+files_modified: []
+autonomous: false
+requirements:
+  - SETP-01
+  - SETP-02
+  - SETP-03
+  - DASH-01
+
+must_haves:
+  truths:
+    - "All four phase requirements verified working end-to-end in browser"
+    - "Navigation restructure works correctly (/, /collection, /setups, /setups/:id)"
+    - "Setup item sync and removal work correctly"
+    - "Dashboard cards show accurate summary data"
+  artifacts: []
+  key_links: []
+---
+
+<objective>
+Verify the complete Phase 3 implementation in the browser: dashboard, navigation, setup CRUD, item picker, and totals.
+
+Purpose: Human confirmation that all features work correctly before marking phase complete.
+Output: Verified working application.
+</objective>
+
+<execution_context>
+@/home/jean-luc-makiola/.claude/get-shit-done/workflows/execute-plan.md
+@/home/jean-luc-makiola/.claude/get-shit-done/templates/summary.md
+</execution_context>
+
+<context>
+@.planning/ROADMAP.md
+@.planning/phases/03-setups-and-dashboard/03-CONTEXT.md
+@.planning/phases/03-setups-and-dashboard/03-01-SUMMARY.md
+@.planning/phases/03-setups-and-dashboard/03-02-SUMMARY.md
+</context>
+
+<tasks>
+
+<task type="checkpoint:human-verify" gate="blocking">
+  <name>Task 1: Visual verification of Phase 3 features</name>
+  <action>Human verifies all Phase 3 features in the browser</action>
+  <what-built>Complete Phase 3: Dashboard home page, navigation restructure, setup CRUD with item management, and live totals</what-built>
+  <how-to-verify>
+    Start the dev server: `bun run dev`
+
+    **1. Dashboard (DASH-01):**
+    - Visit http://localhost:5173/
+    - Verify three cards: Collection (item count, weight, cost), Planning (active thread count), Setups (setup count)
+    - Verify "GearBox" title in top bar, no stats shown on dashboard
+    - Click Collection card -> navigates to /collection
+    - Click Planning card -> navigates to /collection?tab=planning
+    - Click Setups card -> navigates to /setups
+
+    **2. Navigation restructure:**
+    - At /collection: verify gear/planning tabs work as before
+    - Verify "GearBox" title in TotalsBar links back to / (dashboard)
+    - Verify floating + button only appears on /collection gear tab (not on dashboard, setups, or planning tab)
+    - Go to a thread detail page -> verify "GearBox" links back to dashboard
+
+    **3. Setup creation (SETP-01):**
+    - Navigate to /setups
+    - Create a setup named "Summer Bikepacking" using inline form
+    - Verify it appears in the list as a card
+
+    **4. Item management (SETP-02):**
+    - Click the new setup card to open detail page
+    - Click "Add Items" button
+    - Verify checklist picker opens in slide-out panel with items grouped by category
+    - Check several items, click "Done"
+    - Verify items appear on setup detail page grouped by category
+    - Click x on an item card to remove it from setup (no confirmation)
+    - Verify item disappears from setup but still exists in collection
+
+    **5. Setup totals (SETP-03):**
+    - On setup detail page, verify sticky bar shows setup name, item count, total weight, total cost
+    - Remove an item -> totals update
+    - Add items back -> totals update
+    - Go back to setups list -> verify card shows correct totals
+
+    **6. Cross-feature consistency:**
+    - Edit a collection item's weight from /collection -> check setup totals update
+    - Delete a collection item -> verify it disappears from the setup too
+    - Create a thread, resolve it -> verify dashboard Planning card count updates
+  </how-to-verify>
+  <verify>Human confirms all checks pass</verify>
+  <done>All four requirements (SETP-01, SETP-02, SETP-03, DASH-01) confirmed working in browser</done>
+  <resume-signal>Type "approved" or describe any issues found</resume-signal>
+</task>
+
+</tasks>
+
+<verification>
+Human visual verification of all Phase 3 requirements.
+</verification>
+
+<success_criteria>
+- All four requirements (SETP-01, SETP-02, SETP-03, DASH-01) confirmed working
+- Navigation restructure works without broken links
+- Visual consistency with existing collection and thread UI
+</success_criteria>
+
+<output>
+After completion, create `.planning/phases/03-setups-and-dashboard/03-03-SUMMARY.md`
+</output>