feat(opencode): wire 29-point CLI lifecycle scripts, drift-C reconciler, and skill docs

.agents/skills/lib.sh

@@ -607,15 +607,18 @@ print('\t'.join(env_flags) + '\n' + ' '.join(binary_tokens))
       *-creator-agy|*-planner-agy|*-reviewer-agy)          kind="agy" ;;
       *-creator-hermes|*-planner-hermes|*-reviewer-hermes) kind="hermes" ;;
       *-creator-grok|*-planner-grok|*-reviewer-grok)      kind="grok" ;;
+      *-creator-opencode|*-planner-opencode|*-reviewer-opencode) kind="opencode" ;;
       *)
         if echo "$name" | grep -qi "agy"; then kind="agy"
         elif echo "$name" | grep -qi "claude"; then kind="claude"
         elif echo "$name" | grep -qi "hermes"; then kind="hermes"
         elif echo "$name" | grep -qi "grok"; then kind="grok"
+        elif echo "$name" | grep -qi "opencode"; then kind="opencode"
         elif echo "${final_cmd:-}" | grep -qi "agy"; then kind="agy"
         elif echo "${final_cmd:-}" | grep -qi "claude"; then kind="claude"
         elif echo "${final_cmd:-}" | grep -qi "hermes"; then kind="hermes"
         elif echo "${final_cmd:-}" | grep -qi "grok"; then kind="grok"
+        elif echo "${final_cmd:-}" | grep -qi "opencode"; then kind="opencode"
         fi
         ;;
     esac
@@ -629,7 +632,7 @@ try:
     tokens = shlex.split(cmd)
     if tokens:
         first = tokens[0]
-        if first in ('claude', 'agy', 'hermes', 'grok') or any(first.endswith('/' + a) for a in ('claude', 'agy', 'hermes', 'grok')) or (kind and (first == kind or first.endswith('/' + kind))):
+        if first in ('claude', 'agy', 'hermes', 'grok', 'opencode') or any(first.endswith('/' + a) for a in ('claude', 'agy', 'hermes', 'grok', 'opencode')) or (kind and (first == kind or first.endswith('/' + kind))):
             tokens = tokens[1:]
     print(' '.join(shlex.quote(t) for t in tokens))
 except Exception:
@@ -2059,6 +2062,7 @@ send_keys_safe() {
       *-agy|*-agy-[0-9]*|agy|agy-[0-9]*)          _sks_agent="agy" ;;
       *-hermes|*-hermes-[0-9]*|hermes|hermes-[0-9]*) _sks_agent="hermes" ;;
       *-grok|*-grok-[0-9]*|grok|grok-[0-9]*)       _sks_agent="grok" ;;
+      *-opencode|*-opencode-[0-9]*|opencode|opencode-[0-9]*) _sks_agent="opencode" ;;
     esac
     if [ -n "$_sks_agent" ]; then
       eval "$("$(_delegate_py_bin)" -m lib_py.agents facts "$_sks_agent" 2>/dev/null || true)"

.agents/skills/multi-agent-mux-create/SKILL.md

@@ -129,7 +129,7 @@ herdr_sessions:
 
 ```bash
 WORKSPACE=/path/to/project
-AGENT=claude  # claude | agy | hermes | grok — always pass it explicitly
+AGENT=claude  # claude | agy | hermes | grok | opencode — always pass it explicitly
 source .agents/skills/lib.sh
 SESSION_NAME="$(derive_session_name "$WORKSPACE" "$AGENT")"
 
@@ -160,7 +160,10 @@ case "$AGENT" in
   grok)
     herdr new-session -d -s "$SESSION_NAME" -x 140 -y 40 -c "$WORKSPACE" "grok --permission-mode bypassPermissions"
     ;;
-  *) echo "ERROR: --agent must be claude, agy, hermes, or grok, got: $AGENT"; exit 2 ;;
+  opencode)
+    herdr new-session -d -s "$SESSION_NAME" -x 140 -y 40 -c "$WORKSPACE" "opencode --auto --agent build"
+    ;;
+  *) echo "ERROR: --agent must be claude, agy, hermes, grok, or opencode, got: $AGENT"; exit 2 ;;
 esac
 
 # 3. Wait for agent TUI to be ready (varies: claude ~5s, agy ~3s)

.agents/skills/multi-agent-mux-create/scripts/create_session.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # create_session.sh — multi-agent-mux-create 의 부속 스크립트
 # Usage:
-#   bash create_session.sh --workspace <path> --agent <claude|agy|hermes|grok> --role <role> [--session <name>] [--herdr-session <name>] [--wrapper]
+#   bash create_session.sh --workspace <path> --agent <claude|agy|hermes|grok|opencode> --role <role> [--session <name>] [--herdr-session <name>] [--wrapper]
 #
 # 동작:
 #   1) preflight: herdr/claude/agy 가용성, workspace 존재
@@ -26,11 +26,11 @@ source "$_lib_sh"
 
 usage() {
   cat <<EOF
-Usage: $0 --workspace <path> --agent <claude|agy|hermes|grok> --role <role> [options]
+Usage: $0 --workspace <path> --agent <claude|agy|hermes|grok|opencode> --role <role> [options]
 
 Options:
   --workspace PATH    project directory (required)
-  --agent AGENT       claude | agy | hermes | grok (required)
+  --agent AGENT       claude | agy | hermes | grok | opencode (required)
   --role ROLE         assigned role (required)
   --session NAME      herdr session name (default: derived from workspace)
   --wrapper           force use of ~/.local/bin/<session> wrapper even if not present
@@ -90,8 +90,8 @@ fi
 [ -n "$WORKSPACE" ] || { echo "ERROR: --workspace required" >&2; usage; exit 2; }
 [ -n "$AGENT" ]    || { echo "ERROR: --agent required" >&2; usage; exit 2; }
 case "$AGENT" in
-  claude|agy|hermes|grok) ;;
+  claude|agy|hermes|grok|opencode) ;;
-  *) echo "ERROR: --agent must be claude, agy, hermes or grok, got: $AGENT" >&2; exit 2 ;;
+  *) echo "ERROR: --agent must be claude, agy, hermes, grok, or opencode, got: $AGENT" >&2; exit 2 ;;
 esac
 [ -n "$ROLE" ]     || { echo "ERROR: --role required" >&2; usage; exit 2; }
 [ -d "$WORKSPACE" ] || { echo "ERROR: workspace $WORKSPACE not a directory" >&2; exit 1; }
@@ -126,6 +126,13 @@ elif [ "$AGENT" = "grok" ]; then
     echo "ERROR: grok is not functional or configured." >&2
     exit 1
   fi
+elif [ "$AGENT" = "opencode" ]; then
+  if [ -f "$HOME/.local/share/opencode/auth.json" ] || [ -n "${ANTHROPIC_API_KEY:-}" ] || [ -n "${OPENAI_API_KEY:-}" ] || [ -n "${GEMINI_API_KEY:-}" ] || [ -n "${GROQ_API_KEY:-}" ]; then
+    true
+  elif ! opencode --version >/dev/null 2>&1; then
+    echo "ERROR: opencode is not functional or configured." >&2
+    exit 1
+  fi
 fi
 
 # 세션 이름 — lib.sh::derive_session_name 이 단일 소스 (P0-A)
@@ -181,6 +188,8 @@ if [ -z "$CMD_FULL" ]; then
     claude) CMD_FULL="${RESOLVED_BIN} --dangerously-skip-permissions --session-id ${SESSION_UUID}" ;;
     agy)    CMD_FULL="${RESOLVED_BIN} --dangerously-skip-permissions" ;;
     hermes) CMD_FULL="${RESOLVED_BIN} --yolo --accept-hooks" ;;
+    grok)   CMD_FULL="${RESOLVED_BIN} --permission-mode bypassPermissions" ;;
+    opencode) CMD_FULL="${RESOLVED_BIN} --auto --agent build" ;;
   esac
 fi
 
@@ -204,7 +213,13 @@ spawn() {
     agy|hermes|grok)
       HERDR_SESSION_NAME="$HERDR_SESSION_NAME" _herdr new-session -d -s "$SESSION_NAME" -x 140 -y 40 -c "$WORKSPACE" "$CMD_FULL"
       ;;
-    *) echo "ERROR: --agent must be claude, agy, hermes or grok, got: $AGENT" >&2; exit 2 ;;
+    opencode)
+      if [ -z "${OPENCODE_PERMISSION:-}" ]; then
+        export OPENCODE_PERMISSION='{"*":"allow"}'
+      fi
+      HERDR_SESSION_NAME="$HERDR_SESSION_NAME" _herdr new-session -d -s "$SESSION_NAME" -x 140 -y 40 -c "$WORKSPACE" "$CMD_FULL"
+      ;;
+    *) echo "ERROR: --agent must be claude, agy, hermes, grok, or opencode, got: $AGENT" >&2; exit 2 ;;
   esac
 }
 
@@ -312,6 +327,7 @@ if [ -n "$SUBMIT_JOB_PROMPT" ]; then
       hermes) delegate_agent="hermes-agent" ;;
       agy)    delegate_agent="antigravity-cli" ;;
       grok)   delegate_agent="grok-build" ;;
+      opencode) delegate_agent="opencode-cli" ;;
       *) echo "ERROR: cannot resolve delegate agent key for '$AGENT'" >&2; exit 2 ;;
     esac
   fi
@@ -419,6 +435,13 @@ elif agent == 'grok':
     entry['session_id_source'] = 'assigned' if assigned else 'pending-discovery'
     entry['session_id_verified'] = False
     entry['last_visible_status'] = "assigned (awaiting first message)" if assigned else "unverified"
+elif agent == 'opencode':
+    cp = os.environ.get('CHILD_PID', '0')
+    entry['child_pid'] = int(cp) if cp.isdigit() else 0
+    entry['opencode_session_id_own'] = None
+    entry['session_id_source'] = 'pending-discovery'
+    entry['session_id_verified'] = False
+    entry['last_visible_status'] = "unverified"
 
 last_vis_override = os.environ.get('LAST_VISIBLE_STATUS_OVERRIDE', '')
 if last_vis_override:

.agents/skills/multi-agent-mux-loop/scripts/run_loop.sh

@@ -309,6 +309,10 @@ if not agent:
         agent = 'agy'
     elif 'hermes' in segments:
         agent = 'hermes'
+    elif 'grok' in segments:
+        agent = 'grok'
+    elif 'opencode' in segments:
+        agent = 'opencode'
     else:
         agent = 'claude'
 print(agent)

.agents/skills/multi-agent-mux-monitor/scripts/reconcile.sh

@@ -317,11 +317,13 @@ fi
 # atomic_dump_yaml(flock + temp+rename) 로 같은 소스를 돌린다. atomic 래퍼에서는
 # 'actions' 가 없으면 SystemExit(0) 으로 쓰기를 건너뛴다 (불필요한 재포맷 방지).
 read -r -d '' RECON_SRC <<'PYEOF' || true
-import os, json, glob, subprocess, time, sqlite3, re
+import os, json, glob, subprocess, time, sqlite3, re, shutil
 from datetime import datetime, timezone
 import yaml
 
 from lib_py.verify_session import verify_session_uuid, workspace_key
+from lib_py.agents.registry import get_adapter
+from lib_py.agents.base import DiscoveryContext
 
 def _slug(path):
     if not path:
@@ -518,7 +520,7 @@ if herdr_confirmed:
         agent = None
         role = 'creator'
         for r_name in ('creator', 'planner', 'reviewer'):
-            for a_name in ('claude', 'agy', 'hermes', 'grok'):
+            for a_name in ('claude', 'agy', 'hermes', 'grok', 'opencode'):
                 if name.endswith(f"-{r_name}-{a_name}"):
                     role = r_name
                     agent = a_name
@@ -537,7 +539,7 @@ if herdr_confirmed:
                         if tok.startswith('MAM_MANAGED='):
                             managed_path = tok.split('=', 1)[1]
                             if os.path.realpath(managed_path) == os.path.realpath(workspace_root):
-                                for a_name in ('claude', 'agy', 'hermes', 'grok'):
+                                for a_name in ('claude', 'agy', 'hermes', 'grok', 'opencode'):
                                     if a_name in pm_check.get('cmd', '') or a_name in pm_check.get('cmd_full', ''):
                                         agent = a_name
                                         break
@@ -598,6 +600,9 @@ if herdr_confirmed:
         elif agent == 'hermes':
             entry['child_pid'] = 0
             entry['hermes_conversation_id_own'] = None
+        elif agent == 'opencode':
+            entry['child_pid'] = 0
+            entry['opencode_session_id_own'] = None
         d.setdefault('herdr_sessions', []).append(entry)
         yaml_session_names.add(name)
         drifts.append({'class': 'B', 'name': name,
@@ -608,7 +613,7 @@ def row_agent(s):
     return agent_of_row(s)
 
 OWN_KEY_BY_AGENT = {
-    a: _get_own_key(a) for a in ('claude', 'agy', 'hermes', 'grok')
+    a: _get_own_key(a) for a in ('claude', 'agy', 'hermes', 'grok', 'opencode')
 }
 
 # === drift C0: 지정된 ID 는 발견이 아니라 '확인'만 필요하다 ===
@@ -779,6 +784,118 @@ for s in d.get('herdr_sessions', []):
         else:
             _pin_and_verify_resume(s, 'hermes', cwd, uuid, degraded=True)
 
+# === drift C (opencode): opencode 새 session id materialize (per-row own id) ===
+for s in d.get('herdr_sessions', []):
+    if row_agent(s) != 'opencode':
+        continue
+    if s.get('status') != 'running':
+        continue
+    if s.get('opencode_session_id_own'):
+        continue
+    cwd = (s.get('pane') or {}).get('cwd', '')
+    if not cwd:
+        continue
+
+    # Resolve DB path via shared OpenCodeAgentAdapter helper with fallbacks
+    odb = None
+    try:
+        op_adapter = get_adapter('opencode')
+        if op_adapter:
+            odb = op_adapter._resolve_db(DiscoveryContext(workspace=cwd, agent_name='opencode', home_dir=home))
+    except Exception:
+        pass
+
+    if not odb:
+        opencode_base = f"{home}/.local/share/opencode"
+        candidates = [
+            f"{opencode_base}/opencode.db",
+            f"{opencode_base}/storage.db",
+        ]
+        for cand in candidates:
+            if os.path.exists(cand):
+                odb = cand
+                break
+        if not odb and os.path.isdir(f"{opencode_base}/project"):
+            for root, _, files in os.walk(f"{opencode_base}/project"):
+                for f in files:
+                    if f.endswith(".db"):
+                        odb = os.path.join(root, f)
+                        break
+                if odb and os.path.exists(odb):
+                    break
+
+    if not odb or not os.path.exists(odb):
+        continue
+
+    epoch_threshold = s.get('herdr_session_epoch', 0)
+
+    sibling_claimed = [
+        other.get('opencode_session_id_own')
+        for other in d.get('herdr_sessions', [])
+        if other is not s
+        and (other.get('pane') or {}).get('cwd') == cwd
+        and other.get('status') not in ('stopped', 'terminated')
+        and other.get('opencode_session_id_own')
+    ]
+    s_eval = dict(s)
+    s_eval['_sibling_claimed_uuids'] = sibling_claimed
+
+    valid_candidates = []
+    try:
+        conn = sqlite3.connect(odb)
+        cursor = conn.cursor()
+        cursor.execute("PRAGMA table_info(session)")
+        cols = [col[1] for col in cursor.fetchall()]
+        if cols:
+            cwd_col = "directory" if "directory" in cols else ("cwd" if "cwd" in cols else None)
+            time_col = "time_created" if "time_created" in cols else ("created_at" if "created_at" in cols else ("started_at" if "started_at" in cols else None))
+
+            query = "SELECT id FROM session"
+            params = []
+            where_clauses = []
+            if cwd_col and cwd:
+                where_clauses.append(f"{cwd_col} = ?")
+                params.append(cwd)
+            if time_col and epoch_threshold:
+                if time_col == "time_created":
+                    where_clauses.append(f"{time_col} >= ?")
+                    params.append(int(float(epoch_threshold) * 1000))
+                else:
+                    where_clauses.append(f"{time_col} >= ?")
+                    params.append(epoch_threshold)
+            if where_clauses:
+                query += " WHERE " + " AND ".join(where_clauses)
+            if time_col:
+                query += f" ORDER BY {time_col} DESC"
+            query += " LIMIT 20"
+            rows = cursor.execute(query, params).fetchall()
+            conn.close()
+            for (uuid,) in rows:
+                if uuid in (sibling_claimed or []):
+                    continue
+                if verify_session_uuid(cwd, 'opencode', uuid, s_eval, mode="discover"):
+                    valid_candidates.append(uuid)
+        else:
+            conn.close()
+    except Exception:
+        pass
+
+    if len(valid_candidates) > 1:
+        drifts.append({'class': 'C-ambiguous', 'name': s['name'],
+                       'msg': f"{s['name']}: {len(valid_candidates)} candidate transcripts newer than session epoch; not pinning"})
+        s['last_visible_status'] = f"ambiguous: {len(valid_candidates)} candidates"
+        actions.append(f"ambiguous candidates: {s['name']}")
+    if len(valid_candidates) == 1:
+        uuid = valid_candidates[0]
+        cmd = ['bash', '-c', f'source "{lib_sh}" && verify_tui_viewport "{s["name"]}" "opencode" "{cwd}"']
+        rc = subprocess.run(cmd).returncode
+        if rc == 0:
+            _pin_and_verify_resume(s, 'opencode', cwd, uuid, degraded=False)
+        elif rc == 1:
+            drifts.append({'class': 'C-warn', 'name': s['name'], 'msg': f"{s['name']}: TUI viewport mismatch for candidate {uuid} — not pinned, will retry next cycle"})
+        else:
+            _pin_and_verify_resume(s, 'opencode', cwd, uuid, degraded=True)
+
 result = {
     'timestamp': now_iso,
     'yaml_path': yaml_path,

.agents/skills/multi-agent-mux-orc-onboard/SKILL.md

@@ -8,7 +8,7 @@ platforms: [linux, macos]
 environments: [terminal, herdr]
 metadata:
   hermes:
-    tags: [agent, herdr, claude, antigravity, agy, hermes, grok, orchestrator, onboard, isolation]
+    tags: [agent, herdr, claude, antigravity, agy, hermes, grok, opencode, orchestrator, onboard, isolation]
     related_skills: [multi-agent-mux-create, multi-agent-mux-resume, multi-agent-mux-monitor]
     prereq_skills: [multi-agent-mux-create]
 ---
@@ -32,12 +32,13 @@ Registers an orchestrator session UUID into the `orchestrator_uuids` list of `.m
 
 ## Auto-Detection Hierarchy (Rev.2)
 
-When `--uuid` is omitted, `orc_onboard.sh` inspects the process ancestry tree of the nearest agent ancestor (`claude`, `agy`, `hermes`, `grok`) in the following order:
+When `--uuid` is omitted, `orc_onboard.sh` inspects the process ancestry tree of the nearest agent ancestor (`claude`, `agy`, `hermes`, `grok`, `opencode`) in the following order:
 
 1. **CLI `argv`**:
    - `claude -r <uuid>` / `claude --session-id <uuid>`
    - `agy --conversation <uuid>`
    - `grok --session-id <uuid>` / `grok --resume <uuid>`
+   - `opencode --session <uuid>`
 2. **Family-Matched Environment Variables**:
    - `claude` → `CLAUDE_CODE_SESSION_ID`
    - `agy` → `ANTIGRAVITY_CONVERSATION_ID`

.agents/skills/multi-agent-mux-orc-onboard/scripts/orc_onboard.sh

@@ -103,7 +103,7 @@ detect_nearest_agent() {
       local base
       base="$(basename "$tok")"
       case "$base" in
-        claude|agy|hermes|grok)
+        claude|agy|hermes|grok|opencode)
           match="$base"
           break
           ;;
@@ -127,6 +127,9 @@ detect_nearest_agent() {
         grok)
           detected_id=$(echo "$cmd_line" | grep -oE '(--session-id|--resume)[[:space:]=]+[^[:space:]]+' | head -n 1 | sed -E 's/^(--session-id|--resume)[[:space:]=]+//' || true)
           ;;
+        opencode)
+          detected_id=$(echo "$cmd_line" | grep -oE '(--session|-s)[[:space:]=]+[^[:space:]]+' | head -n 1 | sed -E 's/^(--session|-s)[[:space:]=]+//' || true)
+          ;;
       esac
 
       if [ -n "$detected_id" ] && is_valid_id "$detected_id"; then
@@ -141,6 +144,7 @@ detect_nearest_agent() {
         agy) env_var="${ANTIGRAVITY_CONVERSATION_ID:-}" ;;
         hermes) env_var="${HERMES_SESSION_ID:-}" ;;
         grok) env_var="${GROK_SESSION_ID:-}" ;;
+        opencode) env_var="${OPENCODE_SESSION_ID:-}" ;;
       esac
 
       if [ -n "$env_var" ] && is_valid_id "$env_var"; then

.agents/skills/multi-agent-mux-resume/SKILL.md

@@ -49,7 +49,7 @@ ideal resume path:
 
 `agent-sessions.yaml` and on-disk discovery are used to resolve the UUID in this order:
 
-1. **`herdr_sessions[]` row's per-row own id** (`claude_session_id_own` / `agy_conversation_id_own` / `hermes_conversation_id_own` / `grok_session_id_own`) — explicitly saved by `multi-agent-mux-stop` right before teardown (tier-1, race-free).
+1. **`herdr_sessions[]` row's per-row own id** (`claude_session_id_own` / `agy_conversation_id_own` / `hermes_conversation_id_own` / `grok_session_id_own` / `opencode_session_id_own`) — explicitly saved by `multi-agent-mux-stop` right before teardown (tier-1, race-free).
 2. **Workspace-scoped on-disk scan** (adapter `discover()`)
 
 If both are empty → the workspace has no conversation yet. Fall back to `multi-agent-mux-create`.
@@ -58,7 +58,7 @@ If both are empty → the workspace has no conversation yet. Fall back to `multi
 
 ```bash
 WORKSPACE=/path/to/project
-AGENT=claude  # claude | agy | hermes | grok — pass it explicitly
+AGENT=claude  # claude | agy | hermes | grok | opencode — pass it explicitly
 SESSION_NAME=<workspace>-creator-<agent>  # same convention as multi-agent-mux-create
 
 # Resolve the isolated herdr server name & load common utils

.agents/skills/multi-agent-mux-resume/scripts/resolve_session_id.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # resolve_session_id.sh — multi-agent-mux-resume 의 부속 스크립트
 # Usage:
-#   bash resolve_session_id.sh --workspace <path> --agent <claude|agy|hermes|grok>
+#   bash resolve_session_id.sh --workspace <path> --agent <claude|agy|hermes|grok|opencode>
 # 출력: stdout 으로 UUID 한 줄 (없으면 빈 줄 + exit 0)
 #
 # P0-C: 전역 agent_identities 를 즉시 반환하지 않는다. lib.sh::find_workspace_uuid
@@ -13,7 +13,7 @@ source "$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)/lib.sh"
 
 usage() {
   cat <<EOF
-Usage: $0 --workspace <path> --agent <claude|agy|hermes|grok> [--session <name>]
+Usage: $0 --workspace <path> --agent <claude|agy|hermes|grok|opencode> [--session <name>]
 Outputs the resolved UUID on stdout (empty if not found).
 --session prefers that registry row's recorded id; falls back to workspace-wide discovery if it does not verify.
 EOF
@@ -36,8 +36,8 @@ done
 [ -n "$WORKSPACE" ] || { echo "ERROR: --workspace required" >&2; exit 2; }
 [ -n "$AGENT" ]    || { echo "ERROR: --agent required" >&2; exit 2; }
 case "$AGENT" in
-  claude|agy|hermes|grok) ;;
+  claude|agy|hermes|grok|opencode) ;;
-  *) echo "ERROR: --agent must be claude, agy, hermes, or grok" >&2; exit 2 ;;
+  *) echo "ERROR: --agent must be claude, agy, hermes, grok, or opencode" >&2; exit 2 ;;
 esac
 
 find_workspace_uuid "$WORKSPACE" "$AGENT" "$SESSION_NAME"

.agents/skills/multi-agent-mux-resume/scripts/resume_session.sh

@@ -9,7 +9,7 @@ source "$LIB_SH"
 
 usage() {
   cat <<EOF
-Usage: $0 --workspace <path> --agent <claude|agy|hermes|grok> --session <name> [options]
+Usage: $0 --workspace <path> --agent <claude|agy|hermes|grok|opencode> --session <name> [options]
 
 Options:
   --herdr-session NAME specify isolated herdr session name (alias: --herdr-server)
@@ -42,7 +42,7 @@ done
 [ -n "$WORKSPACE" ] || { echo "ERROR: --workspace required" >&2; exit 2; }
 [ -n "$AGENT" ]    || { echo "ERROR: --agent required" >&2; exit 2; }
 case "$AGENT" in
-  claude|agy|hermes|grok) ;;
+  claude|agy|hermes|grok|opencode) ;;
   *) echo "ERROR: unsupported agent: $AGENT" >&2; exit 2 ;;
 esac
 [ -n "$SESSION_NAME" ] || { echo "ERROR: --session required" >&2; exit 2; }
@@ -103,6 +103,7 @@ if [ -z "$CMD_FULL" ]; then
     agy)    CMD_FULL="${RESOLVED_BIN} --dangerously-skip-permissions --conversation $UUID" ;;
     hermes) CMD_FULL="${RESOLVED_BIN} --resume $UUID --no-restore-cwd --yolo --accept-hooks" ;;
     grok)   CMD_FULL="${RESOLVED_BIN} --resume $UUID --permission-mode bypassPermissions" ;;
+    opencode) CMD_FULL="${RESOLVED_BIN} --session $UUID --auto --agent build" ;;
     *)      echo "ERROR: unsupported agent: $AGENT" >&2; exit 2 ;;
   esac
 fi
@@ -125,6 +126,12 @@ if [ "${DRY_RUN:-0}" = "1" ]; then
   exit 0
 fi
 
+if [ "$AGENT" = "opencode" ]; then
+  if [ -z "${OPENCODE_PERMISSION:-}" ]; then
+    export OPENCODE_PERMISSION='{"*":"allow"}'
+  fi
+fi
+
 # 4. Spawn new agent session (delegates to herdr translation shim)
 _herdr new-session -d -s "$SESSION_NAME" -c "$WORKSPACE" "$CMD_FULL"
 if [ "$AGENT" = "claude" ]; then

.agents/skills/multi-agent-mux-resume/scripts/update_yaml_resumed.sh

@@ -4,14 +4,14 @@
 # resume UUID 를 per-row own id (claude_session_id_own / agy_conversation_id_own)
 # 에 박는다 — agent_identities 전역은 더 이상 primary 아님 (cache 로 강등, P0-C/단계 e).
 #
-# Usage: bash update_yaml_resumed.sh --session <name> --uuid <id> [--agent claude|agy|hermes|grok]
+# Usage: bash update_yaml_resumed.sh --session <name> --uuid <id> [--agent claude|agy|hermes|grok|opencode]
 set -euo pipefail
 
 source "$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)/lib.sh"
 
 usage() {
   cat <<EOF
-Usage: $0 --session <name> --uuid <id> [--agent claude|agy|hermes|grok] [--herdr-session <name>]
+Usage: $0 --session <name> --uuid <id> [--agent claude|agy|hermes|grok|opencode] [--herdr-session <name>]
 EOF
 }
 
@@ -190,6 +190,20 @@ elif agent == 'hermes':
     cp = os.environ.get('CHILD_PID', '0')
     if cp.isdigit() and int(cp) > 0:
         target['child_pid'] = int(cp)
+elif agent == 'grok':
+    target['pane']['cmd'] = 'grok'
+    target['pane']['cmd_full'] = f'grok --resume {uuid}'
+    target['grok_session_id_own'] = uuid
+    cp = os.environ.get('CHILD_PID', '0')
+    if cp.isdigit() and int(cp) > 0:
+        target['child_pid'] = int(cp)
+elif agent == 'opencode':
+    target['pane']['cmd'] = 'opencode'
+    target['pane']['cmd_full'] = f'opencode --session {uuid} --auto --agent build'
+    target['opencode_session_id_own'] = uuid
+    cp = os.environ.get('CHILD_PID', '0')
+    if cp.isdigit() and int(cp) > 0:
+        target['child_pid'] = int(cp)
 
 snap = d.setdefault('snapshot', {})
 snap['taken_at'] = now

.agents/skills/multi-agent-mux-status/scripts/status.sh

@@ -53,12 +53,12 @@ def resume_on_disk(s):
     name = s.get('name', '')
     cwd = (s.get('pane') or {}).get('cwd', '')
     agent = None
-    for a in ('claude', 'agy', 'hermes', 'grok'):
+    for a in ('claude', 'agy', 'hermes', 'grok', 'opencode'):
         if any(name.endswith(f'-{r}-{a}') for r in ('creator', 'planner', 'reviewer')) or name.endswith(f'-{a}'):
             agent = a
             break
     if not agent:
-        for a in ('claude', 'agy', 'hermes', 'grok'):
+        for a in ('claude', 'agy', 'hermes', 'grok', 'opencode'):
             if f"-{a}" in name or f"_{a}" in name:
                 agent = a
                 break
@@ -97,6 +97,34 @@ def resume_on_disk(s):
             ws_slug = urllib.parse.quote(cwd, safe='')
             return 'yes' if os.path.exists(f"{home}/.grok/sessions/{ws_slug}/{u}/chat_history.jsonl") else 'MISSING'
         return 'no'
+    if agent == 'opencode':
+        u = s.get('opencode_session_id_own')
+        if u:
+            base_dir = f"{home}/.local/share/opencode"
+            odb = None
+            for cand in [f"{base_dir}/opencode.db", f"{base_dir}/storage.db"]:
+                if os.path.exists(cand):
+                    odb = cand
+                    break
+            if not odb and os.path.isdir(f"{base_dir}/project"):
+                for root, _, files in os.walk(f"{base_dir}/project"):
+                    for f in files:
+                        if f.endswith(".db"):
+                            odb = os.path.join(root, f)
+                            break
+                    if odb:
+                        break
+            if not odb or not os.path.exists(odb):
+                return 'MISSING'
+            try:
+                import sqlite3
+                conn = sqlite3.connect(odb)
+                r = conn.execute("SELECT 1 FROM session WHERE id=?", (u,)).fetchone()
+                conn.close()
+                return 'yes' if r else 'MISSING'
+            except Exception:
+                return 'MISSING'
+        return 'no'
     return '?'
 
 
@@ -202,18 +230,79 @@ def resume_on_disk(s):
     # workspace-SCOPED check only — per-row own id, never a global identity (P0-C)
     name = s.get('name', '')
     cwd = (s.get('pane') or {}).get('cwd', '')
-    if name.endswith('-creator-claude'):
+    agent = None
+    for a in ('claude', 'agy', 'hermes', 'grok', 'opencode'):
+        if any(name.endswith(f'-{r}-{a}') for r in ('creator', 'planner', 'reviewer')) or name.endswith(f'-{a}'):
+            agent = a
+            break
+    if not agent:
+        for a in ('claude', 'agy', 'hermes', 'grok', 'opencode'):
+            if f"-{a}" in name or f"_{a}" in name:
+                agent = a
+                break
+
+    if agent == 'claude':
         u = s.get('claude_session_id_own')
         if u:
             key = cwd.replace('/', '-').replace('_', '-')
             return 'yes' if os.path.exists(f"{claude_project_dir}/{key}/{u}.jsonl") else 'MISSING'
         key = cwd.replace('/', '-').replace('_', '-')
         return 'scan' if glob.glob(f"{claude_project_dir}/{key}/*.jsonl") else 'no'
-    if name.endswith('-creator-agy'):
+    if agent == 'agy':
         u = s.get('agy_conversation_id_own')
         if u:
             return 'yes' if os.path.exists(f"{home}/.gemini/antigravity-cli/conversations/{u}.db") else 'MISSING'
         return 'no'
+    if agent == 'hermes':
+        u = s.get('hermes_conversation_id_own')
+        if u:
+            hdb = f"{home}/.hermes/state.db"
+            if not os.path.exists(hdb):
+                return 'MISSING'
+            try:
+                import sqlite3
+                conn = sqlite3.connect(hdb)
+                r = conn.execute("SELECT 1 FROM sessions WHERE id=?", (u,)).fetchone()
+                conn.close()
+                return 'yes' if r else 'MISSING'
+            except Exception:
+                return 'MISSING'
+        return 'no'
+    if agent == 'grok':
+        u = s.get('grok_session_id_own')
+        if u:
+            import urllib.parse
+            ws_slug = urllib.parse.quote(cwd, safe='')
+            return 'yes' if os.path.exists(f"{home}/.grok/sessions/{ws_slug}/{u}/chat_history.jsonl") else 'MISSING'
+        return 'no'
+    if agent == 'opencode':
+        u = s.get('opencode_session_id_own')
+        if u:
+            base_dir = f"{home}/.local/share/opencode"
+            odb = None
+            for cand in [f"{base_dir}/opencode.db", f"{base_dir}/storage.db"]:
+                if os.path.exists(cand):
+                    odb = cand
+                    break
+            if not odb and os.path.isdir(f"{base_dir}/project"):
+                for root, _, files in os.walk(f"{base_dir}/project"):
+                    for f in files:
+                        if f.endswith(".db"):
+                            odb = os.path.join(root, f)
+                            break
+                    if odb:
+                        break
+            if not odb or not os.path.exists(odb):
+                return 'MISSING'
+            try:
+                import sqlite3
+                conn = sqlite3.connect(odb)
+                r = conn.execute("SELECT 1 FROM session WHERE id=?", (u,)).fetchone()
+                conn.close()
+                return 'yes' if r else 'MISSING'
+            except Exception:
+                return 'MISSING'
+        return 'no'
     return '?'
 
 

.agents/skills/multi-agent-mux-stop/SKILL.md

@@ -37,7 +37,7 @@ The stop command is always **graceful by default**:
 
 ```bash
 SESSION_NAME=<workspace>-creator-<agent>  # convention
-AGENT=claude                              # claude | agy | hermes | grok — always pass it
+AGENT=claude                              # claude | agy | hermes | grok | opencode — always pass it
 AGENT_SESSIONS_YAML=.mam/agent-sessions.yaml
 
 # 1) Session is registered?

.agents/skills/multi-agent-mux-stop/scripts/stop_session.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # stop_session.sh — multi-agent-mux-stop 의 부속 스크립트
 # Usage:
-#   bash stop_session.sh --session <name> [--agent claude|agy|hermes|grok] [--herdr-session <name>] \
+#   bash stop_session.sh --session <name> [--agent claude|agy|hermes|grok|opencode] [--herdr-session <name>] \
 #       [--reason <reason>] [--purge-conversation] [--yes]
 #
 # 동작: 항상 graceful stop 입니다. send-keys 로 정상 종료를 유도하고
@@ -12,7 +12,7 @@
 #
 # 옵션:
 #   --session <name>        — 대상 세션 (필수)
-#   --agent <type>          — claude | agy | hermes | grok
+#   --agent <type>          — claude | agy | hermes | grok | opencode
 #                             (권장: 항상 명시. 미지정 시 레지스트리 기록으로
 #                              해석 — agent 필드 → 세션명 접미사 → pane.cmd;
 #                              셋 다 실패하면 exit 2)
@@ -91,8 +91,8 @@ while [ $# -gt 0 ]; do
 done
 if [ -n "$AGENT" ]; then
   case "$AGENT" in
-    claude|agy|hermes|grok) ;;
+    claude|agy|hermes|grok|opencode) ;;
-    *) echo "ERROR: invalid agent type '$AGENT'. Allowed types are: claude, agy, hermes, grok." >&2; exit 2 ;;
+    *) echo "ERROR: invalid agent type '$AGENT'. Allowed types are: claude, agy, hermes, grok, opencode." >&2; exit 2 ;;
   esac
 fi
 [ -n "$SESSION_NAME" ] || { echo "ERROR: --session required" >&2; usage; exit 2; }
@@ -287,6 +287,8 @@ if captured and not purge:
         target['hermes_conversation_id_own'] = captured
     elif agent == 'grok':
         target['grok_session_id_own'] = captured
+    elif agent == 'opencode':
+        target['opencode_session_id_own'] = captured
     target['resumable'] = True
 
 if purge and purge_uuid: