Run 4 (2026-07-13): remote.push() consumed ~6 MB of PSRAM over 66 s and
the UI thread aborted on Frame::new_white's per-draw vec![0xFF; 26928].
Run 5 confirmed the UI now survives, but the push still exhausts both
pools (a ~7 KB inflateInit fails inside the pack build) and the heap
telemetry never fired — hence the telemetry rework.
- display/editor: Editor::draw_into() renders into a caller-owned
Frame; main.rs keeps two boot-time frames (shown/back) and mem::swaps
on success, so steady-state repaints never allocate.
- git_sync: odb cache capped at 1 MB via raw libgit2-sys opts (git2
0.20 doesn't wrap the total cap); log_push_heap at pre-push,
post-push and push-failure with largest-PSRAM-block and per-pool
min-evers; pack_progress logging is now time-gated (2 s) — the
count gate (+256 objects) never fired because AddingObjects reports
total=0 and a small push inserts only dozens of objects.
- editor: empty/whitespace snippets file parses as 0 snippets instead
of a JSON error at boot.
- build.rs: refuse a git-feature build with unset TW_* publish vars —
a bare `cargo build --features git` baked empty creds and produced a
firmware whose :sync could never work.
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