feat(subagent): opportunistic projection-cache rung for cold listings

Cold children consult the optional session-projection-cache checkpoint
before paying a preparation recompute: the identity is immutable once
appended, so a cached value is definitive regardless of its watermark.
The cache stays a read-only accelerator (absent service or any rung-two
fault falls through silently; verdicts stay with the authoritative
refold), and the note plus core-data-structures pages describe the
three-rung ladder.
This commit is contained in:
imccyu
2026-08-06 22:16:28 +08:00
parent 6ff4fc0ed0
commit a25d4331d7
15 changed files with 199 additions and 58 deletions
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# side as of the last confirmed-consistent state. Both languages carry equal authority;
# after editing either side, bring the other along and re-record with:
# pnpm run verify-translation-pairing --write docs/core-data-structures/subagent.md
subagent.md: e364572f9ac6a52acb118de0906cb5ec442536cc
subagent.zh.md: 4440c4f6a4212d0cf8a4d6367389f6973dfc5d17
subagent.md: e96e3556334e7cee9b1a9386eafc81a2fdbce725
subagent.zh.md: 4ca3f0707d78adc371708c18f586a9dfcb499347