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691ff7c188
Two-pronged fix for the WebUI "context compaction block in place of last assistant response" regression. Agent layer (the real fix). ``_find_tail_cut_by_tokens`` already had ``_ensure_last_user_message_in_tail`` to keep the most recent user request out of the compressed middle (#10896), but no symmetric anchor for the assistant side. When the conversation has an oversized recent tool result or a long stretch of tool-call/result pairs *after* the assistant's last visible reply, the token-budget walk can stop with the previously-visible reply on the wrong side of ``cut_idx``. The summariser then rolls it into the single ``[CONTEXT COMPACTION — REFERENCE ONLY]`` block persisted as ``role="user"`` or ``role="assistant"``, and from the operator's perspective the WebUI session viewer (``web/src/pages/SessionsPage.tsx``) and the TUI chat panel both suddenly show the opaque "Context compaction" block in the slot where they were just reading the actual answer: User: "i cant see the output of the last message you sent, i did see it previously, however now see 'context compaction'" Added ``_ensure_last_assistant_message_in_tail`` mirror of the user-side anchor. It looks for the most recent assistant message with non-empty text content (skipping tool-call-only assistant "stubs" which the UI renders as small "calling tool X" indicators rather than a readable bubble) and walks ``cut_idx`` back through the standard ``_align_boundary_backward`` so we don't split a tool_call/result group that immediately precedes it. The two anchors are chained — each only walks ``cut_idx`` backward, so the tail can only grow. Falls back to "most recent assistant of any kind" only when no content-bearing reply exists in the compressible region (fresh multi-step tool sequence with no prior reply) — in that case the agent-side fix is effectively a no-op and the existing user-message anchor carries the load. WebUI layer (clarity). Added ``isCompactionMessage`` detector that recognises the ``[CONTEXT COMPACTION — REFERENCE ONLY]`` (current) and ``[CONTEXT SUMMARY]:`` (legacy) prefixes from ``agent/context_compressor.py``, and a new ``compaction`` entry in ``MessageBubble``'s ``ROLE_STYLES`` map. Compaction blocks now render as muted, italicised system-style rows labelled ``Context handoff`` — clearly metadata, not the assistant's actual reply — so an operator scrolling back through a long session can't mistake the summary for a real answer. Keeping the detected prefixes inline (rather than importing them) because the WebUI bundle has no Python interop. A guardrail comment points readers at the source-of-truth constants in ``agent/context_compressor.py``. |
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| .. | ||
| AnalyticsPage.tsx | ||
| ChannelsPage.tsx | ||
| ChatPage.tsx | ||
| ConfigPage.tsx | ||
| CronPage.tsx | ||
| DocsPage.tsx | ||
| EnvPage.tsx | ||
| FilesPage.tsx | ||
| LogsPage.tsx | ||
| McpPage.tsx | ||
| ModelsPage.tsx | ||
| PairingPage.tsx | ||
| PluginsPage.tsx | ||
| ProfileBuilderPage.tsx | ||
| ProfilesPage.tsx | ||
| SessionsPage.tsx | ||
| SkillsPage.tsx | ||
| SystemPage.tsx | ||
| WebhooksPage.tsx | ||