Files
OmniRoute/tests
Diego Rodrigues de Sa e Souza ec5b24b986 fix(providers): copilot-m365-web fails loudly on empty turns + tier-aware enterprise invocation (#7858, #7870) (#7958)
#7858 — accumulateBotContent() silently returned an empty delta for any
unrecognized frame shape, and finish() only had a fallback for the
type:2 finalResultMessage case; a turn with no content in ANY known
shape closed with a bare `stop` + `[DONE]`, indistinguishable from a
genuine empty answer. finish() now emits a sanitized error (Hard Rule
#12) naming the resolved tier and the likely causes, and unrecognized
update-frame shapes are logged by argument KEY only (never content,
tokens, or cookies).

#7870 — the enterprise tier only changed buildWsUrl() query params;
buildChatInvocation() always fell back to the consumer
M365_DEFAULT_OPTION_SETS (which declares the MSA-only enable_msa_user
flag) and tone:"". resolveConnectionParams()/resolveTierOverrides() now
also resolve and surface the tier itself, threaded through wsChat() ->
sendChat() -> buildChatInvocation() via a new
resolveChatInvocationOverrides() helper, so an enterprise-tier
invocation declares the enterprise_*/bizchat_* option sets, the wider
allowedMessageTypes captured from the real enterprise HAR (Discussion
#7850), and tone:"Magic" — while individual and EDU payloads stay
byte-identical to today.

Regression tests: tests/unit/copilot-m365-web-silent-empty-7858.test.ts,
tests/unit/copilot-m365-enterprise-invocation-7870.test.ts.
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