v0.12.0

What's Changed

• ci: harden cargo network layer against crates.io HTTP/2 flake by @foundev in #106
• Store shell approvals as argv prefixes only, never exact commands by @foundev in #107
• Add --general flag to relax coding-only system prompt scope by @foundev in #109
• Make general-purpose system prompt unconditional; remove --general flag by @foundev in #111
• Add /usage command showing OpenRouter balance and token stats by @foundev in #113
• Show Codex/ChatGPT subscription credits in /usage by @foundev in #115
• Cap /usage credits fetches at 5s so the slash command can't hang by @foundev in #116
• Apply Android TLS workaround to /usage credits clients by @foundev in #117
• [codex] Make cancellation interrupt tool and HTTP waits by @foundev in #118

Full Changelog: v0.11.1...v0.12.0