feat(coding): add project identity UX

.project-docs/30-worklog/tasks/20260826-ml02-identity-ux-6f2d9a31.md

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+# Task: ML-02 Identity user experience and E2E
+
+## Identity
+
+- Task ID: 20260826-ml02-identity-ux-6f2d9a31
+- Mode: Feature
+- Branch: codex/20260826-ml02-identity-ux-6f2d9a31-ml02-identity-ux
+- Worktree: D:\Datas\OthersProjects\makelore-ml02-identity-ux-6f2d9a31
+- Base commit: 5ac08d509f8962a3c2c0ec1b1afef84a435f116d
+- Owner: ml02_identity_ux
+- Status: Ready for Integration
+
+## Scope
+
+- Extend the Renderer coding-project facade and store with the accepted ML-01
+  identity request/result projections.
+- Make the new-project dialog default to a generated identity and offer an
+  explicit canonical bind-existing choice with same-account sharing guidance.
+- Add the one-time legacy identity resolution card and the explicit
+  independent-copy action to Project Configuration, including fixed UX copy
+  about files/cloud data and safe error/cancel states.
+- Add focused Renderer tests and Electron E2E coverage for create, bind,
+  invalid/cancel, legacy, and independent-copy flows.
+
+## Intent And Constraints
+
+- Keep project identity creation, validation authority, persistence, cloud
+  access, and preview/session invalidation in Main; Renderer only sends the
+  accepted create/bind union or literal confirmation and projects safe config
+  snapshots.
+- Preserve the canonical lowercase hyphenated UUID contract and ordinary-save
+  immutability. A same-account bind shares development data; an independent
+  copy rewrites only this folder's ID, does not move/copy files or cloud data,
+  and gets its new UUID from Main.
+- Limit changes to the task ownership set: `src/components/layout/Sidebar.tsx`,
+  `src/pages/ProjectConfiguration/index.tsx`,
+  `src/lib/coding-projects.ts`, the necessary identity state projection in
+  `src/stores/coding-workspace.ts` / `src/stores/project-config.ts`, focused
+  Renderer tests, Electron E2E, and this task record. Do not modify ML-03 Main
+  seams or add Renderer provisioning/cloud/session logic.
+- Use the repository-pinned pnpm `10.33.4`; run focused tests first, then
+  typecheck/lint and relevant Electron E2E/build checks. Record unavailable
+  platform/service prerequisites rather than claiming unrun acceptance.
+
+## Outcome
+
+- Implemented the ML-02 Renderer identity UX and focused coverage.
+- `src/lib/coding-projects.ts` now projects the required create/bind identity
+  union, validates the canonical lowercase UUID shape for UI preflight, and
+  exposes the identity-resolution and independent-copy Host operations.
+- The new-project dialog defaults to generated identity, makes bind-existing
+  explicit, explains same-account sharing, and reports invalid input before a
+  Host call. Project Configuration now shows the one-time legacy resolution
+  card and a confirmed independent-copy action whose copy states that files
+  stay in place and cloud data is not copied.
+- No Main files, cloud/session logic, or Renderer data provisioning were added.
+
+## Verification
+
+- `pnpm --version` -> `10.33.4`.
+- `pnpm exec vitest run tests/unit/coding-projects-facade.test.ts
+  tests/unit/project-config-store.test.ts tests/unit/coding-workspace-store.test.ts
+  --maxWorkers=1` -> 3 files, 10 tests passed.
+- `pnpm typecheck` -> passed.
+- `pnpm lint:check` -> 0 errors; 5 pre-existing warnings in
+  `src/pages/Home/index.tsx` and `src/pages/Makelore/index.tsx`.
+- `pnpm build:vite` -> passed.
+- `pnpm test` -> 183 files, 1554 tests passed, 2 skipped.
+- `pnpm test:electron:windows` -> 2 files, 4 tests passed.
+- `pnpm exec playwright test tests/e2e/coding-project-identity.spec.ts
+  --config=playwright.config.ts` -> 2 tests passed.
+- `pnpm exec playwright test tests/e2e/project-configuration-skills.spec.ts
+  --config=playwright.config.ts` -> 1 test passed.
+- `pnpm test:e2e` -> 25 tests passed, 1 unrelated existing PI E2E failed at
+  `tests/e2e/pi-coding-first-chat.spec.ts:575`: the model combobox remained
+  disabled while selecting `model-b`; a direct rerun reproduced the same
+  failure. The identity and Project Configuration specs passed in this run.
+
+## Follow-ups
+
+- Investigate the pre-existing/flaky PI model-combobox E2E separately; it is
+  outside the ML-02 ownership set and was not changed here.
+
+## Promotion Candidates
+
+- Identity UX, facade projections, and E2E coverage are ready for integration
+  after this task commit. The full E2E suite's unrelated PI failure should
+  remain visible to the integrator.