[aersam]

Fixes #64

What changed

1. Container engine (blocking item in #64)

• _docker.client() falls back to the podman/docker CLI when no API socket is reachable (rootless Podman without a systemd user session). PGDEVKIT_CONTAINER_ENGINE=docker|podman forces the CLI; unset/auto tries the SDK first. Applies to the Postgres and the MSSQL container. Secrets are passed via the child environment, not argv.
• PGDEVKIT_TESTDB_MSSQL_CONTAINER_USER is passed as user= / --user.
• README documents the rootless Podman recipe.

2. Generated schema + fast reset (blocking item in #64)

• ensure_testdb(..., apply=callable(conn), apply_scripts=True) (also reset_testdb): MSSQL-only schema-provider hook, after or instead of the database/ files.
• snapshot_testdb(name="template") / restore_testdb(name="template"): SQL Server database snapshots. Snapshot files go next to the data files (so they follow a tmpfs mount) or into PGDEVKIT_TESTDB_MSSQL_SNAPSHOT_DIR. Snapshots are dropped with their database and never reported as orphans. A restore needs the sole snapshot of the database, so it raises instead of dropping others.

3. NAV-style names (verification in #64) — real bugs found and fixed

• database/ files with names like [Company$Cust_ Ledg_ Entry é] were applied in the wrong order (views before tables): dependency names came out re-quoted and never matched the file-derived names.
• compare: decimal(38,20) vs numeric(38, 20) and bracket-quoted index columns / names with spaces gave false diffs; a nested-paren filter (([b]>(1))) too.
• Measured on a real SQL Server 2022 (rootless Podman) with 1,950 tables and 4,500 views: apply 17 s, parse 2.3 s, introspect 6.4 s, diff 0.4 s, 98 MB peak RSS, 0 diffs. Introspection issues several queries per table, so against a remote server it is latency-bound; not changed here.
• Views are introspected and compared; update-stats quotes names correctly.

4. Per-worktree names (verification in #64)

• Worktrees nested under <repo>/.claude/worktrees/<id> are found. A locked worktree whose path is missing was treated as not live (its database would be dropped by clean_testdb(orphaned=True)); it now counts as live.

Tests

New unit tests (CLI adapter, engine selection, naming, dependency ordering, diff normalization) and live MSSQL tests (hook, snapshot/restore round trip incl. open connection, orphan handling, NAV-style compare and stats). Full suite run locally against SQL Server 2022 under rootless Podman: 564 passed (the Postgres-container tests in test_container.py need a registry config this sandbox lacks).

🤖 Generated with Claude Code

[aersam]

Split into one PR per topic: #66 (container CLI engine + user), #67 (apply hook + snapshots), #68 (NAV-style names), #69 (locked worktrees).