feat: Add Bun language analyzer and related functionality

- Implemented BunPackageNormalizer to deduplicate packages by name and version.
- Created BunProjectDiscoverer to identify Bun project roots in the filesystem.
- Added project files for the Bun analyzer including manifest and project configuration.
- Developed comprehensive tests for Bun language analyzer covering various scenarios.
- Included fixture files for testing standard installs, isolated linker installs, lockfile-only scenarios, and workspaces.
- Established stubs for authentication sessions to facilitate testing in the web application.

src/Web/StellaOps.Web/TASKS.md

@@ -10,7 +10,7 @@
 | WEB-TEN-47-CONTRACT | DONE (2025-12-01) | Gateway tenant auth/ABAC contract doc v1.0 published (`docs/api/gateway/tenant-auth.md`). |
 | WEB-VULN-29-LEDGER-DOC | DONE (2025-12-01) | Findings Ledger proxy contract doc v1.0 with idempotency + retries (`docs/api/gateway/findings-ledger-proxy.md`). |
 | WEB-RISK-68-NOTIFY-DOC | DONE (2025-12-01) | Notifications severity transition event schema v1.0 published (`docs/api/gateway/notifications-severity.md`). |
-| UI-MICRO-GAPS-0209-011 | DOING (2025-12-04) | Motion token catalog + Storybook/Playwright a11y harness added; remaining work: component mapping, perf budgets, deterministic snapshots. |
+| UI-MICRO-GAPS-0209-011 | BLOCKED (2025-12-06) | Motion token catalog + Storybook/Playwright a11y harness added; remaining work paused pending SIG-26 reachability fixtures and final token mapping approvals. |
 | UI-POLICY-20-001 | DONE (2025-12-05) | Policy Studio Monaco editor with DSL highlighting, lint markers, and compliance checklist shipped. |
 | UI-POLICY-20-002 | DONE (2025-12-05) | Simulation panel with deterministic diff rendering shipped (`/policy-studio/packs/:packId/simulate`). |
 | UI-POLICY-20-003 | DONE (2025-12-05) | Approvals workflow UI delivered with submit/review actions, two-person badge, and deterministic log. |