fix: resolve TypeScript strict build errors in GraphView and setupTests

[VariableThe]

Summary

Resolves production build failures (npm run tauri build / tsc -b) that occurred after merging PR #68 due to strict TypeScript checks.

Changes

1. ForceGraph3D Types (GraphView.tsx): Imported ForceGraphMethods from react-force-graph-3d and configured ForceGraphInstance to inherit from it. Properly types d3Force, strength, d3ReheatSimulation, and cameraPosition.
2. Ref Variance (GraphView.tsx): Typecast <ForceGraph3D ref={...}> to avoid MutableRefObject invariance mismatch errors during build.
3. Mock Contract (setupTests.ts): Added missing onUpdateReady mock function to window.electronAPI in unit test environment setup.
4. Audit & Changelog: Updated AUDIT_LOG.md and CHANGELOG.md.

Pre-PR Checks

• npm run lint — ✅ Passed (0 errors, 0 warnings)
• npx vitest run — ✅ Passed (35 tests)
• npm run build — ✅ Passed cleanly

Summary by CodeRabbit

• Bug Fixes

  • Resolved TypeScript strict-build issues affecting the 3D graph view, improving production build reliability.
  • Fixed test environment support for an additional app update callback, reducing test setup failures.

• Chores

  • Updated release documentation to reflect the latest fixes and build status.

[coderabbitai]

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 38d0101f-d3fa-4d4d-bfcd-43f366c6bf2f

📥 Commits

Reviewing files that changed from the base of the PR and between c4f5412 and 332b5dd.

📒 Files selected for processing (4)

• AUDIT_LOG.md
• CHANGELOG.md
• src/GraphView.tsx
• src/setupTests.ts

📝 Walkthrough

Walkthrough

GraphView now uses ForceGraphMethods-based instance typing, a concrete graphData() return shape, and a never ref cast. Test setup adds window.electronAPI.onUpdateReady, and the fix is recorded in the audit log and changelog.

Changes

TypeScript strict build fixes

Layer / File(s)	Summary
GraphView typing and test mock src/GraphView.tsx, src/setupTests.ts, AUDIT_LOG.md, CHANGELOG.md	GraphView extends ForceGraphMethods, graphData() returns node and link arrays, the ForceGraph3D ref uses a cast, the test Electron API mock adds onUpdateReady, and the audit log and changelog record the fix.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

A bunny hopped through strict TypeScript light,
🐇 fixed refs and mocks till all felt right.
My ears twitched fast at onUpdateReady's call,
and GraphView now stands steady, tall.
Thump-thump! The changelog sings tonight.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main change: fixing TypeScript strict build errors in GraphView and setupTests.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/build-strict-types

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[coderabbitai]

🧹 Nitpick comments (1)

src/GraphView.tsx (1)

427-427: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick win

Remove the as never ref cast. It suppresses the ref contract at the call site and makes future type drift easy to miss; a typed callback ref or a small wrapper that forwards ForceGraphMethods would keep it intact.

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In `@src/GraphView.tsx` at line 427, The `GraphView` ref wiring is bypassing the
type contract by casting `fgRef` with `as never`. Replace that cast at the
`ForceGraph`/`ForceGraphMethods` ref assignment with a properly typed solution,
such as a callback ref or a small wrapper component that forwards
`ForceGraphMethods`, so the ref type stays checked end-to-end.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Nitpick comments:
In `@src/GraphView.tsx`:
- Line 427: The `GraphView` ref wiring is bypassing the type contract by casting
`fgRef` with `as never`. Replace that cast at the
`ForceGraph`/`ForceGraphMethods` ref assignment with a properly typed solution,
such as a callback ref or a small wrapper component that forwards
`ForceGraphMethods`, so the ref type stays checked end-to-end.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: b524b153-3b93-4f64-b2b4-0653d9887b34

📥 Commits

Reviewing files that changed from the base of the PR and between 19fa5da and c4f5412.

📒 Files selected for processing (4)

• AUDIT_LOG.md
• CHANGELOG.md
• src/GraphView.tsx
• src/setupTests.ts