ralph-attach
Attach to a running agent loop's live output stream
What this skill does
# Al Attach Attach to a running external agent loop and tail its output log in real time. Press Ctrl+C to detach without interrupting the loop. ## Natural Language Triggers Users may say: - "ralph attach" - "attach to ralph" - "follow ralph" - "watch ralph output" - "tail the agent loop" - "stream ralph progress" ## Parameters ### --loop-id (optional) The ID of the loop to attach to. If omitted, attaches to the most recently started active loop. ``` /ralph-attach --loop-id abc123 ``` When multiple loops are active, you must specify `--loop-id`. Run `/ralph-status` first to list active loop IDs. ## Behavior When triggered: 1. Read `.aiwg/ralph-external/loops/` to find active loop state files 2. If `--loop-id` is not provided, select the loop with the most recent `startedAt` timestamp that has `status: "running"` 3. If no active loop is found, report clearly and exit 4. If multiple loops are active and no `--loop-id` is given, list them and prompt the user to specify 5. Resolve the loop's `logFile` path from its state JSON (typically `.aiwg/ralph-external/logs/<loop-id>.log`) 6. Begin reading the log file from the current end, streaming new lines as they are appended 7. Display each new line to the user as it arrives, prefixed with a timestamp 8. Continue until the user presses Ctrl+C or the loop reaches a terminal state (`succeeded`, `failed`, `aborted`) 9. On loop completion, print a final status banner and exit cleanly **Output format while tailing**: ``` [10:42:01] Agent loop abc123 — ACTIVE (iteration 3/10) [10:42:01] Running verification: npm test [10:42:03] PASS src/auth/auth.test.ts [10:42:03] Tests: 12 passed, 0 failed [10:42:04] Iteration 3: VERIFIED — criteria met [10:42:04] Agent loop: SUCCESS ``` **On loop completion**: ``` ═══════════════════════════════════════════ Agent Loop Completed: SUCCESS Loop ID: abc123 Iterations: 3 Duration: 4m 12s Report: .aiwg/ralph-external/reports/abc123.md ═══════════════════════════════════════════ Detached from loop abc123. ``` ## Error Handling **No active loops**: ``` No active agent loops found. Start one with: aiwg ralph "your task" --completion "criteria" Or check completed loops with: /ralph-status --all ``` **Loop ID not found**: ``` Loop 'xyz999' not found in .aiwg/ralph-external/loops/. Active loops: abc123 — Fix auth tests (running, iteration 2/10) def456 — Migrate to ESM (running, iteration 5/20) Attach with: /ralph-attach --loop-id abc123 ``` **Log file missing or unreadable**: ``` Cannot read log for loop abc123. Expected: .aiwg/ralph-external/logs/abc123.log Check that the loop process is still running and has write access to the log directory. ``` **Multiple loops active (no --loop-id)**: ``` Multiple active agent loops. Specify which to attach to: abc123 — Fix auth tests (running, iteration 2/10, started 10:38) def456 — Migrate to ESM (running, iteration 5/20, started 09:15) Usage: /ralph-attach --loop-id <id> ``` ## State File Location - Loop states: `.aiwg/ralph-external/loops/<loop-id>.json` - Loop logs: `.aiwg/ralph-external/logs/<loop-id>.log` - Reports: `.aiwg/ralph-external/reports/<loop-id>.md` ## Examples ### Example 1: Attach to the only active loop ``` /ralph-attach ``` **Response**: Streams live output from the single running agent loop. ### Example 2: Attach to a specific loop by ID ``` /ralph-attach --loop-id abc123 ``` **Response**: Streams output only from loop `abc123`. ### Example 3: Detach without stopping Press `Ctrl+C` while attached. **Response**: Returns to normal prompt; the agent loop continues running unaffected. ## Related - `/ralph-status` — Check loop IDs and current iteration progress - `/ralph-abort` — Stop a loop entirely - `/ralph-resume` — Resume a paused loop - `/ralph-external` — Start a new crash-resilient external loop ## References - @$AIWG_ROOT/src/cli/handlers/ralph.ts — Al handler (attachToLoopOutput) - @$AIWG_ROOT/src/cli/handlers/ralph-launcher.ts — Loop launcher and state management - @$AIWG_ROOT/agentic/code/addons/ralph/README.md — Al documentation - @$AIWG_ROOT/tools/ralph-external/README.md — External loop architecture
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