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e21a46e68f
Added /tokens slash command to TUI that displays session-wide token statistics. Key changes: - Fixed SessionManager to accumulate token usage instead of storing only last event - Added cumulative token tracking to TUI renderer alongside per-request totals - Implemented slash command infrastructure with /tokens autocomplete support - Fixed file autocompletion that was missing from Tab key handling - Clean minimal display format showing input/output/reasoning/cache/tool counts The /tokens command shows: Total usage input: 1,234 output: 567 reasoning: 89 cache read: 100 cache write: 50 tool calls: 2
35 lines
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2.3 KiB
Markdown
35 lines
No EOL
2.3 KiB
Markdown
# Fix TUI Garbled Output When Sending Multiple Messages
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**Status:** InProgress
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**Agent PID:** 54802
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## Original Todo
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agent/tui: "read all README.md files except in node_modules". wait for completion, then send a new message. Getting garbled output. this happens for both of the renderDifferential and renderDifferentialSurgical methods. We need to emulate this in a test and get to the bottom of it.
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## Description
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Fix the TUI rendering corruption that occurs when sending multiple messages in rapid succession, particularly after tool calls that produce large outputs. The issue manifests as garbled/overlapping text when new messages are sent while previous output is still being displayed.
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*Read [analysis.md](./analysis.md) in full for detailed codebase research and context*
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## Implementation Plan
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[how we are building it]
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- [x] Create test to reproduce the issue: Simulate rapid tool calls with large outputs followed by new message
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- [x] Fix ANSI code handling in MarkdownComponent line wrapping (packages/tui/src/components/markdown-component.ts:203-276)
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- [x] Implement new line-based rendering strategy that properly handles scrollback and viewport boundaries
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- [x] Add comprehensive test coverage for multi-message scenarios
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- [ ] User test: Run agent, execute "read all README.md files", wait for completion, send new message, verify no garbled output
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## Notes
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- Successfully reproduced the issue with test showing garbled text overlay
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- Fixed ANSI code handling in MarkdownComponent line wrapping
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- Root cause: PARTIAL rendering strategy incorrectly calculated cursor position when content exceeded viewport
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- When content is in scrollback, cursor can't reach it (can only move within viewport)
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- Old PARTIAL strategy tried to move cursor 33 lines up when only 30 were possible
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- This caused cursor to land at wrong position (top of viewport instead of target line in scrollback)
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- Solution: Implemented new `renderLineBased` method that:
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- Compares old and new lines directly (component-agnostic)
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- Detects if changes are in scrollback (unreachable) or viewport
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- For scrollback changes: does full clear and re-render
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- For viewport changes: moves cursor correctly within viewport bounds and updates efficiently
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- Handles surgical line-by-line updates when possible for minimal redraws
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- Test now passes - no more garbled output when messages exceed viewport! |