GearBox/.planning/phases/16-multi-user-data-model/16-02-SUMMARY.md

phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, requirements-completed, duration, completed

phase	plan	subsystem	tags	requires	provides	affects	tech-stack	key-files	key-decisions	patterns-established	requirements-completed	duration	completed
16-multi-user-data-model	02	api	drizzle postgres multi-user data-isolation services	phase provides 16-multi-user-data-model (plan 01) schema with userId columns, users table, auth middleware resolving userId	User-scoped service layer — all 7 service files accept userId and filter queries Cross-user data isolation via and(eq(id), eq(userId)) on all get/update/delete Ownership validation on thread resolution, setup item sync, candidate operations	16-03 route handlers 16-04 MCP tools tests	added patterns userId-as-second-param and(eq) isolation ownership-validation-before-mutation	created modified src/server/services/item.service.ts src/server/services/category.service.ts src/server/services/thread.service.ts src/server/services/setup.service.ts src/server/services/totals.service.ts src/server/services/csv.service.ts src/server/services/auth.service.ts	Category deletion uses dynamic getOrCreateUncategorized(db, userId) instead of hardcoded ID 1 Candidate operations verify parent thread ownership before proceeding (not just candidate existence) syncSetupItems validates both setup ownership and item ownership via inArray resolveThread verifies category belongs to user with fallback to getOrCreateUncategorized createApiKey param order changed to (db, userId, name) for consistency with other services	userId-second-param: all service functions use signature (db, userId, ...rest) composite-where: get/update/delete by ID always use and(eq(table.id, id), eq(table.userId, userId)) ownership-chain: candidate ops verify parent thread ownership, setup sync verifies item ownership	MULTI-01 MULTI-02 MULTI-03 MULTI-06	4min	2026-04-05

Phase 16 Plan 02: Service Layer userId Scoping Summary

All 7 service files accept userId parameter with and(eq) isolation on every query — no unscoped reads or writes remain

Performance

• Duration: 4 min
• Started: 2026-04-05T08:40:21Z
• Completed: 2026-04-05T08:43:55Z
• Tasks: 2
• Files modified: 7

Accomplishments

• Every exported service function now accepts userId as second parameter with no default db values
• All get-by-id, update, and delete operations use and(eq(id), eq(userId)) for cross-user isolation
• Thread resolution includes userId on new item creation and verifies category ownership
• Setup item sync validates both setup and item ownership before inserting
• Candidate operations (add, update, remove) verify parent thread belongs to user
• CSV import scopes category lookup/creation and item insertion to the importing user
• Category deletion uses dynamic Uncategorized lookup per user instead of hardcoded ID

Task Commits

Each task was committed atomically:

1. Task 1: Update item, category, totals, and CSV services - 8d85d28 (feat)
2. Task 2: Update thread, setup, and auth services - 242cace (feat)

Files Created/Modified

• src/server/services/item.service.ts - userId on all 6 functions, and() isolation on get/update/delete/duplicate
• src/server/services/category.service.ts - userId on all functions, async Postgres patterns, dynamic Uncategorized lookup on delete
• src/server/services/totals.service.ts - userId filtering on category and global totals
• src/server/services/csv.service.ts - userId on import/export, user-scoped category cache, userId on item inserts
• src/server/services/thread.service.ts - userId on all 9 functions, ownership verification on candidate ops, userId on resolveThread item insert
• src/server/services/setup.service.ts - userId on all 7 functions, inArray item ownership validation in syncSetupItems
• src/server/services/auth.service.ts - removed prodDb defaults, reordered createApiKey params

Decisions Made

• Category deletion now uses getOrCreateUncategorized(db, userId) instead of hardcoded category ID 1, supporting multi-user where each user has their own Uncategorized category
• Candidate operations verify parent thread ownership (not just candidate existence) to prevent cross-user manipulation via candidate ID guessing
• syncSetupItems validates item ownership via inArray query before inserting, silently filtering out items that don't belong to the user
• resolveThread verifies the candidate's category belongs to the user, falling back to getOrCreateUncategorized if not
• createApiKey parameter order changed from (db, name, userId) to (db, userId, name) for consistency with the userId-second-param pattern

Deviations from Plan

Auto-fixed Issues

1. [Rule 1 - Bug] Category service sync SQLite to async Postgres patterns

• Found during: Task 1 (category.service.ts)
• Issue: Category service still used synchronous SQLite patterns (.get(), .all(), .run()) that don't work with Postgres driver
• Fix: Converted all functions to async with await and array destructuring, consistent with other services
• Files modified: src/server/services/category.service.ts
• Verification: All functions now use async/await patterns
• Committed in: 8d85d28 (Task 1 commit)

2. [Rule 2 - Missing Critical] Added getCategoryById function

• Found during: Task 1 (category.service.ts)
• Issue: Category service had no getCategoryById function — needed for userId-scoped lookups
• Fix: Added getCategoryById(db, userId, id) with and(eq) isolation
• Files modified: src/server/services/category.service.ts
• Verification: Function exists with proper userId scoping
• Committed in: 8d85d28 (Task 1 commit)

3. [Rule 2 - Missing Critical] Setup operations verify ownership before mutations

• Found during: Task 2 (setup.service.ts)
• Issue: updateItemClassification and removeSetupItem had no ownership checks — raw SQL conditions without setup ownership validation
• Fix: Added setup ownership verification before both operations
• Files modified: src/server/services/setup.service.ts
• Verification: Both functions check setup belongs to user before proceeding
• Committed in: 242cace (Task 2 commit)

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Total deviations: 3 auto-fixed (1 bug, 2 missing critical) Impact on plan: All auto-fixes necessary for correctness and security. No scope creep.

Issues Encountered

None

User Setup Required

None - no external service configuration required.

Known Stubs

None - all service functions are fully implemented with proper userId scoping.

Next Phase Readiness

• All services now accept userId — route handlers (Plan 03) can pass c.get("userId") from auth middleware
• MCP tools (Plan 04) can pass userId from MCP auth context
• Tests will need updating to pass userId to all service calls

Self-Check: PASSED

All 7 modified service files exist. Both task commits (8d85d28, 242cace) verified in git log.

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Phase: 16-multi-user-data-model Completed: 2026-04-05