v2.0.0 — 15 cache-stability fixes

Major release — 7 new cache-stability fixes from @deafsquad, expanding the interceptor from 8 to 15 fixes. Combined stack reduces first-request cache creation by up to 99.8% on affected accounts (940K → 1.7K tokens measured).

New fixes

• smoosh_split — Universal un-smoosh: peels trailing <system-reminder> content out of tool_result.content strings (PR #26)
• session_start_normalize — Rewrites SessionStart:resume → :startup, strips volatile session-id and timestamps (PR #27)
• continue_trailer_strip — Removes the --continue resume-nudge text block (PR #28)
• deferred_tools_restore — Snapshots and restores MCP deferred-tools block across reconnect race (PR #29)
• reminder_strip — Drops bookkeeping system-reminder blocks (token usage, budget, turn counters) (PR #30)
• cache_control_normalize — Pins cache_control marker at canonical position (PR #31)
• tool_use_input_normalize — Strips non-schema keys from tool_use.input, canonicalizes key order (PR #32)

Opus 4.7 advisory

Opus 4.7 burns Q5h at ~2.4x the rate of 4.6 due to invisible adaptive thinking tokens. Workaround: CLAUDE_CODE_DISABLE_ADAPTIVE_THINKING=1. See Discussion #25.

Stats

• 146 tests, all passing
• Compatible with CC v2.1.112
• 10 contributors

Full changelog: CHANGELOG.md