perf: remove unused query runtime

[effinrich]

Summary

• remove unused React Query and TanStack Router SSR Query runtime integration
• shrink the initial client entry from 364,075 B to 337,151 B (−7.4%)
• shrink gzip size from 114,542 B to 108,250 B (−5.5%)

Validation

• bun run --filter @richtillman/web lint
• bun run --filter @richtillman/web typecheck
• bun run --filter @richtillman/web test (26 passed)
• bun run --filter @richtillman/web build
• bun install --frozen-lockfile
• local production trace: CLS 0.04, no console errors

[chromatic-com]

Tip

All tests passed and all changes approved!

🟢 UI Tests: 78 visual and accessibility changes accepted as baselines
🟢 UI Review: Approved by Rich Tillman
Storybook Publish: 79 stories published

[Copilot]

Copilot review overview

Review effort: Balanced
Findings: None

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