Add advisors module: custom logging, PII redaction and token-budget advisors

Tests pin down chain ordering (including ties), BaseAdvisor stream behaviour, redaction order versus memory and logging, the tool loop, and how a refusal surfaces on calls, streams and over HTTP. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Ja4jkzrbQ4LQZBNrb5mkZE
2026-09-24 16:21:19 +00:00
parent 823f6fac5b
commit 527f4ba7ff
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+# Token accounting on a stream
+
+same question, same answer:
+  call, usage from the response:          9 tokens
+  stream, usage on the last chunk:        9 tokens
+  stream, no usage reported (estimated):  9 tokens
+
+A stream that reports no usage is billed by the provider all the same. The estimate above
+matches only because this scripted model and the advisor use the same tokenizer.