* feat: Move debug log truncation from agent loop to REPL channel
Full tool output now flows through StatusUpdate so the web gateway
gets untruncated content. The REPL channel truncates at display time
(200 chars for tool results, thinking, and status messages).
Co-Authored-By: Claude Opus 4.6 <[email protected]>
* feat: truncating fmt layer for terminal, full logs for web gateway
Instead of truncating debug output at each LLM call site (fragile),
use a custom MakeWriter on the fmt layer that caps each tracing event
at 500 bytes before flushing to stderr. The web gateway WebLogLayer
still receives full untruncated content for /api/logs/events SSE.
Co-Authored-By: Claude Opus 4.6 <[email protected]>
* fix: UTF-8 safe truncation in truncate_for_preview, remove double truncation
- Use char_indices() instead of byte-based slicing to find the cut
point, preventing panics on multi-byte characters (emoji, CJK, etc.)
- Remove redundant truncation in REPL channel (agent loop already
truncates ToolResult previews to 200 chars)
- Add 9 unit tests covering edge cases: empty, exact length, multi-byte
UTF-8 (emoji, CJK), mixed scripts, newline collapsing, whitespace
Addresses PR #65 review comments.
Co-Authored-By: Claude Opus 4.6 <[email protected]>
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Co-authored-by: Claude Opus 4.6 <[email protected]>
