Make manual analysis cache-first fast path

[runyourempire]

Summary

• fixes the empty Signal results state caused by source metadata cold-start misses
• makes manual analysis genuinely cache-first by skipping source fetch, pending-embedding repair, stale backlog drain, and LLM rerank on the foreground path
• refreshes sources after manual completion on a bounded background task
• sends scheduled results through background-results instead of foreground analysis-complete
• adds phase timing logs and source cache-fill skips for recent/circuit-open sources

Validation

• pre-push hook passed: TypeScript, all frontend tests, Rust fmt/compile/Clippy, site build, translation validation, compound quality, dependency checks, and secret scan
• focused checks also passed: cargo check, analysis_status_tests, source_fetching::processor tests, use-analysis/analysis-slice Vitest tests, validate:sizes

[vercel]

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Project	Deployment	Actions	Updated (UTC)
4da-home	Ready	Preview, Comment	Jul 27, 2026 6:42pm