[TASK] main.swift composition root

[kirich1409]

Context

devsweep target composition root. Wires DevsweepCorePrivate implementations + DevsweepModules into ScanContext/CleanContext.

Acceptance criteria

• AC-1 passes: devsweep --help lists scan, clean, restore, history, discover, config.

Files to touch (estimate)

best-effort estimate; agent refines during implementation

Implementation notes

n/a

Dependencies

• Blocked by [TASK] FileSystem protocol + FileSystemImpl #38
• Blocked by [TASK] CommandRunner protocol + CommandRunnerImpl with allowlist #39
• Blocked by [TASK] ResourceLockService protocol + impl via NSRunningApplication + proc_listpids #40
• Blocked by [TASK] Logger, Clock, ProgressReporter (rate-limited 30 fps) #41
• Blocked by [TASK] ConfigLoader (TOML) #42
• Blocked by [TASK] Remover actor — central destructive path (S1) #43
• Blocked by [TASK] RemovalLogger actor + JSONL append path #51
• Blocked by [TASK] FastWalkerImpl via getattrlistbulk (P1) #58

Safety checklist

See .github/ISSUE_TEMPLATE/task.yml — tick applicable invariants in the issue if any destructive path is touched.

Definition of Done

• Acceptance criteria satisfied and verifiable
• Tests added or updated
• No build / lint / test regressions
• Self-review against research-report invariants
• Code review approved