miniusercoder 86be0d53fe fix(me-pool): resolve 0-writer blackouts with zero-allocation constraints ...

- Converts adaptive floor logic from proactive idle drops to reactive
  global capacity constraints, fixing sudden drops to 0 active writers.
- Implements `base_req` override gateway via `can_open_writer_for_contour`,
  retaining critical connections for starved datacenters during bursts.
- Applies zero-allocation performance optimization via direct inner lock iter,
  avoiding `HashSet` generation and deep `RwLock` checks in writer validation paths.
- Scrubs now-dead variables/evaluations (`adaptive_idle_since`,
  `adaptive_recover_until`) to fulfill strict memory & hot-path constraints.

2026-04-06 20:27:17 +03:00

26 KiB

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