* feat(chat): add server-side timings and context display for GGUF
Extract timings/usage metadata from llama-server SSE stream and forward
through the full stack. Replace client-side estimates with accurate
server-reported metrics (prompt eval, tok/s, token counts, cache hits).
Add context window usage bar to chat top nav.
* feat(chat): source badges with hover cards and 2-row collapse
- Add hover cards to source badges showing favicon, title, URL and
snippet description on hover
- Limit source badges to 2 rows with +X more expand/collapse
- Parse snippet from web search results for hover card descriptions
- Replace individual Source rendering with grouped SourcesGroup component
* fix(chat): add null guards for server timings edge cases
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* fix(chat): reset contextUsage on thread switch, remove unused context-display
* fix(chat): stop double-counting completion tokens in tool-calling path
* fix(chat): skip metadata events in llm_assist consumers
* fix(chat): hide context usage bar in compare mode
* fix(chat): harden timings pipeline and context usage persistence
Accumulate prompt_ms, predicted_ms, and predicted_n from intermediate
tool-detection passes so the final metadata reflects total server work.
Persist contextUsage in message metadata (Dexie) and restore on thread
load. Add type guard in gguf_stream_chunks for unexpected dict events.
Clear contextUsage when entering compare mode.
* feat(chat): make GGUF stream metadata OpenAI-compatible
* fix(chat): address PR review feedback
* feat(chat): address PR review feedback
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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