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Iteration 1: file-backed projects with auto-named temps, lock file, and L1 CLI

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Replaces the in-memory database with an on-disk project. Startup either
opens a project at the positional CLI path (L1) or creates an auto-named
temp project (<YYYYMMDD>-<word>-<word>-<word>) under the OS-standard
data directory or a --data-dir override. The new project::Project type
owns the directory skeleton and a PID+hostname lock file with
stale-lock takeover via sysinfo. The status bar now shows
"Project: <Display Name>", derived by a small kebab/snake/camel
prettifier. Per-command persistence to YAML/CSV/history.log is NOT
yet wired -- that's Iteration 2; for now playground.db carries the
state across quits.

Tests: 257 passing (231 lib + 9 new integration + 17 existing),
0 failing, 0 skipped. Clippy clean with nursery lints.
This commit is contained in:
claude@clouddev1
2026-05-07 20:21:52 +00:00
parent 4fca862c6c
commit 601d3b6c51
20 changed files with 1883 additions and 18 deletions
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Cargo.lock
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+218
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