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feat: record LLM input as deltas on trace spans - #7605

Merged

davidzhao merged 11 commits into

mainfrom

dz/otel-input-truncation

Oct 5, 2026

Merged

feat: record LLM input as deltas on trace spans#7605
davidzhao merged 11 commits into
mainfrom
dz/otel-input-truncation

Commits on Oct 3, 2026
- feat: record LLM input incrementally on trace spans
  
  davidzhao
  and
  claude
  committed
  537d385
- refactor: share chat item essential fields between is_equivalent and fingerprints
  
  davidzhao
  and
  claude
  committed
  c3e946a
- refactor: rename input truncation to input delta
  
  davidzhao
  and
  claude
  committed
  4a351ea
- bugfixes
  davidzhao
  committed
  db8fc25
Commits on Oct 4, 2026
- fix: record lk.pii.chat_ctx in full when instructions change
  
  davidzhao
  and
  claude
  committed
  07d1c3a
- refactor: hold message and instruction baselines in pending entries
  
  davidzhao
  and
  claude
  committed
  79250f2
- fix: treat per-turn system messages as conversation in input deltas
  
  davidzhao
  and
  claude
  committed
  f68da3c
Commits on Oct 5, 2026
- refactor: point each input delta at one parent by shared prefix
  
  davidzhao
  and
  claude
  committed
  c4dec1b
- refactor: move input delta tracking to telemetry/input_delta.py
  
  davidzhao
  and
  claude
  committed
  d5cd24a
- fix: keep tool calls in their message across skipped items in input deltas
  
  davidzhao
  and
  claude
  committed
  c30919d
- fix: give running-tool placeholders stable ids of their own
  
  davidzhao
  and
  claude
  committed
  678af46