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patterm/TODO.md

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- [ ] Codex seemed to think that it needed to launch patterm itself to get the mcp working
- [ ] I cant click and drag to select text from codex
- [ ] codex uses perl to interact with the socket rather than calling mcp tools
- when it _did_ open a sub claude it opened it as a separate tab rather than a sub-agent.
- [ ] codex rendering is VERY slow
- maybe we need to use diffing rather than rendering the entire viewport for performance
- We should add a --debug and --profile flag, so we can get detailed performance data and full logs of the agent output to be debugged later on.
- I don't mind what format this is in, ideally easy for LLMs to understand
- [ ] Resuming a long claude session takes a couple of seconds for the entire buffer to load in, it looks like it's scrolling down for a couple seconds.
- In raw alacritty this is instant, so there's some sort of performance issue with patterm's terminal emulation.
- [ ] There's a unicode <?> being displayed in opencode [ON HOLD]
- Investigated 2026-05-14: patterm passes ghostty grapheme codepoints
through unchanged (vt/ghostty.go:452-462), so the `<?>` glyph is
most likely the *host* terminal's font fallback for opencode's
Nerd Font private-use codepoints, not a patterm substitution.
Need a concrete reproduction (which codepoint, which host
terminal/font) before changing rendering.
- [ ] After codex rips for like 15 minutes, the terminal becomes quite slow. [ON HOLD / VERIFYING]
- 2026-05-14: Perf plan P1-P11 landed (see CHANGELOG). Needs a real
long-running codex session to confirm whether the steady-state
slowdown is gone or some hotspot remains. Capture a pprof if it
still feels slow after ≥15 minutes — the structural drivers the
audit named are all addressed, so a remaining symptom is a new
one and probably wants fresh profiling.