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* feat(agent-core-v2): add tokenCounting service with strategy config and measured anchors - add IAgentTokenCountingService as the single owner of token counts: context size, full-request size, and estimate primitives, replacing the scattered contextSize/tokenEstimate/fullCompaction paths - add [token_counting] config section with strategy = measured+estimated (default) / measured / estimated, plus the KIMI_TOKEN_COUNTING_STRATEGY env override; measured zeroes all estimates, estimated ignores anchors - keep a live measured-anchor ledger in TokenCountingModel: each LLM exchange writes a real anchor, undo truncates the ledger so the surviving prefix restores its REAL measured size instead of a re-estimate, and compaction rebases to a single anchor that blends the compaction exchange's measured summary output tokens - skip writing an anchor when the stream reports no usage event instead of anchoring emptyUsage() zeros, which zeroed the context size and silenced compaction for providers without usage reporting - return the strategy-resolved size (not measured) from rpc getContext so the tokenCount contract stays correct under the estimated strategy - migrate all consumers (contextMemory, fullCompaction, llmRequester, rpc, mirrorAgentRun, sessionLegacy, kap-server legacyStatus, node-sdk, kimi-inspect) to the new service; edge bridges no longer read the wire model directly - document [token_counting] and KIMI_TOKEN_COUNTING_STRATEGY in the bilingual config reference * fix(kap-server): omit maxContextTokens instead of pushing 0 when unknown - readLegacyStatus falls back to the default model's context limit when no model is bound, and omits maxContextTokens entirely when the limit is unknown (0 is the engine's UNKNOWN_CAPABILITY marker, not a real limit) - profileService no longer emits maxContextTokens in agent.status.updated when the bound model alias does not resolve * fix(agent-core-v2): resolve token_counting strategy only at the reporting edge - keep measured anchors and heuristic estimates both recorded and feeding internal logic (compaction triggers, budgets, overflow backoff) regardless of the configured strategy - add IAgentTokenCountingService.statusSize() as the single strategy-resolved outward reading and route the WS/REST/RPC status surfaces through it - fix the context-size display falling back to provider-reported usage under the estimated strategy - fix compaction overflow backoff retrying identical messages until failure under the measured strategy (the strategy-gated estimator read as 0) |
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