v0.8.0

What's Changed

• refactor(pricing): centralize vendored floor maintenance by @ningw42 in #258
• chore(pricing): bump models.dev vendored floor by @ningw42 in #259
• chore(cache): bump vendored cache fallbacks by @ningw42 in #260
• fix: drain WebSocket sessions alongside HTTP; exit 0 on timeout-only forced drain by @ningw42 in #262
• test: make three test guards fail when what they guard breaks by @ningw42 in #264
• fix(upstream): classify a client leaving mid-mint as ClientGone; log ClientGone at Debug by @ningw42 in #266
• fix(identity): reuse a fresh cached Copilot token inside the mint flight by @ningw42 in #268
• fix(wsforward): relay a final non-101 upstream handshake answer instead of a copilotd 502 by @ningw42 in #270
• refactor(catalog): make a Codex vendored-floor bump a data-only change by @ningw42 in #274
• chore(cache): bump vendored cache fallbacks by @ningw42 in #275
• refactor(usage): declare each Surface's native count projection once by @ningw42 in #277
• test(usage): close native count and schema-version coverage gaps by @ningw42 in #278
• refactor(serve): drive the production lifecycle in-process by @ningw42 in #283
• test(usage): stabilize forced-drain cleanup on CI by @ningw42 in #284
• refactor: the server mounts built handlers; Catalog composition moves into catalog by @ningw42 in #289
• feat(catalog): serve the Codex shape from --codex-catalog-enabled alone (#287) by @ningw42 in #290

Full Changelog: v0.7.3...v0.8.0