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Rewrite architecture for session-per-model and plugin-controlled spawning

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- Session-per-model: each project keeps separate sessions per model per role
  (haiku/sonnet/opus for DEV, grok for QA) instead of switching models
- Plugin-controlled lifecycle: sessions managed via Gateway RPC (sessions.patch)
  and CLI (openclaw agent), not agent instructions
- New end-to-end flow diagram: human → Telegram → main session → plugin → gateway → sub-agent
- Session reuse diagram showing spawn vs send path
- Updated system overview with Gateway as explicit component
- Updated data flow map with new projects.json sessions schema
- Session spawn/send moved to "DevClaw controls" in scope boundaries
- Added session_health using sessions.list gateway RPC
- Added session transcripts to file locations table

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Lauren ten Hoor
2026-02-08 18:17:03 +08:00
parent e7e61987d4
commit eb9438ab81
1 changed files with 199 additions and 83 deletions
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docs/ARCHITECTURE.md
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@@ -5,33 +5,59 @@
Understanding the OpenClaw model is key to understanding how DevClaw works: Understanding the OpenClaw model is key to understanding how DevClaw works:
- **Agent** — A configured entity in `openclaw.json`. Has a workspace, model, identity files (SOUL.md, IDENTITY.md), and tool permissions. Persists across restarts. - **Agent** — A configured entity in `openclaw.json`. Has a workspace, model, identity files (SOUL.md, IDENTITY.md), and tool permissions. Persists across restarts.
- **Session** — A runtime conversation instance. Created when the agent starts or when `sessions_spawn` is called. Each session has its own context window and conversation history. - **Session** — A runtime conversation instance. Each session has its own context window and conversation history, stored as a `.jsonl` transcript file.
- **Sub-agent session** — A session spawned by the orchestrator agent via `sessions_spawn`. Despite the name, it is NOT a separate agent — it's a child session running under the same agent, with its own isolated context. Format: `agent:<parent>:subagent:<uuid>`. - **Sub-agent session** — A session created under the orchestrator agent for a specific worker role. NOT a separate agent — it's a child session running under the same agent, with its own isolated context. Format: `agent:<parent>:subagent:<uuid>`.
DevClaw operates at the **orchestrator agent** level. The orchestrator runs a single long-lived session that manages all projects. For each task, it spawns (or reuses) DEV and QA sub-agent sessions. The plugin handles the orchestration logic — label transitions, state management, model selection, audit logging — and returns structured instructions. The orchestrator agent then executes the actual session operations (`sessions_spawn` or `sessions_send`). ### Session-per-model design
Each project maintains **separate sessions per model per role**. A project's DEV might have a Haiku session, a Sonnet session, and an Opus session — each accumulating its own codebase context over time.
``` ```
Orchestrator Agent (configured in openclaw.json) Orchestrator Agent (configured in openclaw.json)
└─ Main session (long-lived, handles all projects) └─ Main session (long-lived, handles all projects)
├─ DEV sub-agent session (project A) ← sessions_spawn / sessions_send │
├─ QA sub-agent session (project A) ← sessions_spawn / sessions_send ├─ Project A
├─ DEV sub-agent session (project B) │ ├─ DEV sessions: { haiku: <uuid>, sonnet: <uuid>, opus: null }
└─ QA sub-agent session (project B) │ └─ QA sessions: { grok: <uuid> }
│
└─ Project B
├─ DEV sessions: { haiku: null, sonnet: <uuid>, opus: null }
└─ QA sessions: { grok: <uuid> }
``` ```
Why per-model instead of switching models on one session:
- **No model switching overhead** — each session always uses the same model
- **Accumulated context** — a Haiku session that's done 20 typo fixes knows the project well; a Sonnet session that's done 5 features knows it differently
- **No cross-model confusion** — conversation history stays with the model that generated it
- **Deterministic reuse** — model selection directly maps to a session key, no patching needed
### Plugin-controlled session lifecycle
DevClaw controls the full session lifecycle — the orchestrator agent does NOT call `sessions_spawn` or `sessions_send` directly. Instead, the plugin uses the OpenClaw Gateway RPC and CLI to manage sessions deterministically:
```
Plugin control path:
1. sessions.patch (Gateway RPC) → create session entry + set model
2. openclaw agent (CLI) → send message to session
```
This moves session management from brittle agent instructions into deterministic plugin code.
## System overview ## System overview
```mermaid ```mermaid
graph TB graph TB
subgraph "External" subgraph "Telegram"
GL[GitLab] H[Human]
TG[Telegram] TG[Group Chat]
end end
subgraph "OpenClaw Runtime" subgraph "OpenClaw Runtime"
AGENT[Orchestrator Agent] MS[Main Session<br/>orchestrator agent]
DEV[DEV sub-agent session] DEV_H[DEV session<br/>haiku]
QA[QA sub-agent session] DEV_S[DEV session<br/>sonnet]
DEV_O[DEV session<br/>opus]
QA_G[QA session<br/>grok]
end end
subgraph "DevClaw Plugin" subgraph "DevClaw Plugin"
@@ -39,29 +65,37 @@ graph TB
TC[task_complete] TC[task_complete]
QS[queue_status] QS[queue_status]
SH[session_health] SH[session_health]
MS[Model Selector] MS_SEL[Model Selector]
PJ[projects.json] PJ[projects.json]
AL[audit.log] AL[audit.log]
end end
subgraph "Git" subgraph "OpenClaw Gateway"
REPO[Project Repository] SP[sessions.patch]
SL[sessions.list]
CLI[openclaw agent CLI]
end end
TG -->|delivers messages| AGENT subgraph "External"
AGENT -->|announces to group| TG GL[GitLab]
REPO[Git Repository]
end
AGENT -->|creates/updates issues| GL H -->|messages| TG
TG -->|delivers| MS
MS -->|announces| TG
AGENT -->|calls| TP MS -->|calls| TP
AGENT -->|calls| TC MS -->|calls| TC
AGENT -->|calls| QS MS -->|calls| QS
AGENT -->|calls| SH MS -->|calls| SH
TP -->|selects model| MS TP -->|selects model| MS_SEL
TP -->|transitions labels| GL TP -->|transitions labels| GL
TP -->|reads/writes| PJ TP -->|reads/writes| PJ
TP -->|appends| AL TP -->|appends| AL
TP -->|creates/patches session| SP
TP -->|sends task to session| CLI
TC -->|transitions labels| GL TC -->|transitions labels| GL
TC -->|closes/reopens| GL TC -->|closes/reopens| GL
@@ -74,19 +108,95 @@ graph TB
QS -->|appends| AL QS -->|appends| AL
SH -->|reads/writes| PJ SH -->|reads/writes| PJ
SH -->|checks sessions| SL
SH -->|reverts labels| GL SH -->|reverts labels| GL
SH -->|appends| AL SH -->|appends| AL
AGENT -->|sessions_spawn| DEV CLI -->|runs agent turn| DEV_H
AGENT -->|sessions_spawn| QA CLI -->|runs agent turn| DEV_S
AGENT -->|sessions_send| DEV CLI -->|runs agent turn| DEV_O
AGENT -->|sessions_send| QA CLI -->|runs agent turn| QA_G
DEV -->|writes code, creates MRs| REPO DEV_H -->|writes code, creates MRs| REPO
DEV -->|creates/updates issues| GL DEV_S -->|writes code, creates MRs| REPO
QA -->|reviews code, tests| REPO DEV_O -->|writes code, creates MRs| REPO
QA_G -->|reviews code, tests| REPO
``` ```
## End-to-end flow: human to sub-agent
This diagram shows the complete path from a human message in Telegram through to a sub-agent session working on code:
```mermaid
sequenceDiagram
participant H as Human (Telegram)
participant TG as Telegram Channel
participant MS as Main Session<br/>(orchestrator)
participant DC as DevClaw Plugin
participant GW as Gateway RPC
participant CLI as openclaw agent CLI
participant DEV as DEV Sub-agent<br/>Session (sonnet)
participant GL as GitLab
Note over H,GL: Issue exists in queue (To Do)
H->>TG: "check status" (or heartbeat triggers)
TG->>MS: delivers message
MS->>DC: queue_status()
DC->>GL: glab issue list --label "To Do"
DC-->>MS: { toDo: [#42], dev: idle }
Note over MS: Decides to pick up #42 for DEV
MS->>DC: task_pickup({ issueId: 42, role: "dev", ... })
DC->>DC: selectModel → "sonnet"
DC->>DC: lookup dev.sessions.sonnet → null (first time)
DC->>DC: generate new UUID
DC->>GL: glab issue update 42 --unlabel "To Do" --label "Doing"
DC->>DC: update projects.json (active, issueId, model)
DC->>GW: sessions.patch({ key: "...subagent:<uuid>", model: "anthropic/claude-sonnet-4-5" })
GW-->>DC: { ok: true }
DC->>CLI: openclaw agent --agent orchestrator --session-id <uuid> --message "Build login page for #42..."
CLI->>DEV: creates session, sends task
DC->>DC: store UUID in dev.sessions.sonnet
DC->>DC: append audit.log
DC-->>MS: { success: true, announcement: "🔧 Spawning DEV (sonnet) for #42" }
MS->>TG: "🔧 Spawning DEV (sonnet) for #42: Add login page"
TG->>H: sees announcement
Note over DEV: Works autonomously — reads code, writes code, creates MR
DEV-->>MS: "done, MR merged"
MS->>DC: task_complete({ role: "dev", result: "done", ... })
DC->>GL: glab issue update 42 --unlabel "Doing" --label "To Test"
DC->>DC: deactivate worker (sessions preserved)
DC-->>MS: { announcement: "✅ DEV done #42" }
MS->>TG: "✅ DEV done #42 — moved to QA queue"
TG->>H: sees announcement
```
On the **next DEV task** for this project that also selects Sonnet:
```mermaid
sequenceDiagram
participant MS as Main Session
participant DC as DevClaw Plugin
participant CLI as openclaw agent CLI
participant DEV as DEV Session<br/>(sonnet, existing)
MS->>DC: task_pickup({ issueId: 57, role: "dev", ... })
DC->>DC: selectModel → "sonnet"
DC->>DC: lookup dev.sessions.sonnet → <uuid> (exists!)
Note over DC: No sessions.patch needed — model already set
DC->>CLI: openclaw agent --session-id <uuid> --message "Fix validation for #57..."
CLI->>DEV: sends to existing session (has full codebase context)
DC-->>MS: { success: true, announcement: "⚡ Sending DEV (sonnet) for #57" }
```
Session reuse saves ~50K tokens per task by not re-reading the codebase.
## Complete ticket lifecycle ## Complete ticket lifecycle
This traces a single issue from creation to completion, showing every component interaction, data write, and message. This traces a single issue from creation to completion, showing every component interaction, data write, and message.
@@ -132,6 +242,8 @@ sequenceDiagram
### Phase 3: DEV pickup ### Phase 3: DEV pickup
The plugin handles everything — model selection, session management, label transition, state update, and dispatching the task to the correct sub-agent session.
```mermaid ```mermaid
sequenceDiagram sequenceDiagram
participant A as Orchestrator participant A as Orchestrator
@@ -139,32 +251,37 @@ sequenceDiagram
participant GL as GitLab participant GL as GitLab
participant MS as Model Selector participant MS as Model Selector
participant PJ as projects.json participant PJ as projects.json
participant GW as Gateway
participant CLI as openclaw agent
participant AL as audit.log participant AL as audit.log
participant TG as Telegram
A->>TP: task_pickup({ issueId: 42, role: "dev", projectGroupId: "-123" }) A->>TP: task_pickup({ issueId: 42, role: "dev", projectGroupId: "-123" })
TP->>PJ: readProjects() TP->>PJ: readProjects()
PJ-->>TP: { dev: { active: false, sessionId: "existing-session" } }
TP->>GL: glab issue view 42 --output json TP->>GL: glab issue view 42 --output json
GL-->>TP: { title: "Add login page", labels: ["To Do"] } GL-->>TP: { title: "Add login page", labels: ["To Do"] }
TP->>TP: Verify label is "To Do" ✓ TP->>TP: Verify label is "To Do" ✓
TP->>MS: selectModel("Add login page", description, "dev") TP->>MS: selectModel("Add login page", description, "dev")
MS-->>TP: { alias: "sonnet", reason: "Standard dev task" } MS-->>TP: { alias: "sonnet" }
TP->>TP: Existing session found → sessionAction: "send" TP->>PJ: lookup dev.sessions.sonnet
alt Session exists
TP->>CLI: openclaw agent --session-id <existing> --message "task..."
else New session
TP->>GW: sessions.patch({ key: new-uuid, model: "sonnet" })
TP->>CLI: openclaw agent --session-id <new-uuid> --message "task..."
TP->>PJ: store UUID in dev.sessions.sonnet
end
TP->>GL: glab issue update 42 --unlabel "To Do" --label "Doing" TP->>GL: glab issue update 42 --unlabel "To Do" --label "Doing"
TP->>PJ: activateWorker(-123, dev, { issueId: "42", model: "sonnet" }) TP->>PJ: activateWorker (active=true, issueId=42, model=sonnet)
TP->>AL: append { event: "task_pickup", ... } TP->>AL: append task_pickup + model_selection
TP->>AL: append { event: "model_selection", ... } TP-->>A: { success: true, announcement: "🔧 ..." }
TP-->>A: { sessionAction: "send", sessionId: "existing-session", announcement: "..." }
A->>TG: "🔧 Sending DEV (sonnet) for #42: Add login page"
A->>A: sessions_send(sessionId, task description)
``` ```
**Writes:** **Writes:**
- `GitLab`: label "To Do" → "Doing" - `GitLab`: label "To Do" → "Doing"
- `projects.json`: dev.active=true, dev.issueId="42", dev.model="sonnet" - `projects.json`: dev.active=true, dev.issueId="42", dev.model="sonnet", dev.sessions.sonnet=uuid
- `audit.log`: 2 entries (task_pickup, model_selection) - `audit.log`: 2 entries (task_pickup, model_selection)
- `Telegram`: announcement message - `Gateway`: session entry created/reused
- `Sub-agent`: task message delivered
### Phase 4: DEV works ### Phase 4: DEV works
@@ -185,26 +302,23 @@ sequenceDiagram
participant PJ as projects.json participant PJ as projects.json
participant AL as audit.log participant AL as audit.log
participant REPO as Git Repo participant REPO as Git Repo
participant TG as Telegram
A->>TC: task_complete({ role: "dev", result: "done", projectGroupId: "-123", summary: "Login page with OAuth" }) A->>TC: task_complete({ role: "dev", result: "done", projectGroupId: "-123", summary: "Login page with OAuth" })
TC->>PJ: readProjects() TC->>PJ: readProjects()
PJ-->>TC: { dev: { active: true, issueId: "42", sessionId: "existing-session" } } PJ-->>TC: { dev: { active: true, issueId: "42" } }
TC->>REPO: git pull TC->>REPO: git pull
TC->>PJ: deactivateWorker(-123, dev) TC->>PJ: deactivateWorker(-123, dev)
Note over PJ: active→false, issueId→null<br/>sessionId PRESERVED<br/>model PRESERVED Note over PJ: active→false, issueId→null<br/>sessions map PRESERVED
TC->>GL: glab issue update 42 --unlabel "Doing" --label "To Test" TC->>GL: glab issue update 42 --unlabel "Doing" --label "To Test"
TC->>AL: append { event: "task_complete", role: "dev", result: "done" } TC->>AL: append { event: "task_complete", role: "dev", result: "done" }
TC-->>A: { announcement: "✅ DEV done #42 — Login page with OAuth. Moved to QA queue." } TC-->>A: { announcement: "✅ DEV done #42 — Login page with OAuth. Moved to QA queue." }
A->>TG: "✅ DEV done #42 — Login page with OAuth. Moved to QA queue."
``` ```
**Writes:** **Writes:**
- `Git repo`: pulled latest (has DEV's merged code) - `Git repo`: pulled latest (has DEV's merged code)
- `projects.json`: dev.active=false, dev.issueId=null (sessionId + model preserved for reuse) - `projects.json`: dev.active=false, dev.issueId=null (sessions map preserved for reuse)
- `GitLab`: label "Doing" → "To Test" - `GitLab`: label "Doing" → "To Test"
- `audit.log`: 1 entry (task_complete) - `audit.log`: 1 entry (task_complete)
- `Telegram`: announcement
### Phase 6: QA pickup ### Phase 6: QA pickup
@@ -221,7 +335,6 @@ sequenceDiagram
participant GL as GitLab participant GL as GitLab
participant PJ as projects.json participant PJ as projects.json
participant AL as audit.log participant AL as audit.log
participant TG as Telegram
A->>TC: task_complete({ role: "qa", result: "pass", projectGroupId: "-123" }) A->>TC: task_complete({ role: "qa", result: "pass", projectGroupId: "-123" })
TC->>PJ: deactivateWorker(-123, qa) TC->>PJ: deactivateWorker(-123, qa)
@@ -229,7 +342,6 @@ sequenceDiagram
TC->>GL: glab issue close 42 TC->>GL: glab issue close 42
TC->>AL: append { event: "task_complete", role: "qa", result: "pass" } TC->>AL: append { event: "task_complete", role: "qa", result: "pass" }
TC-->>A: { announcement: "🎉 QA PASS #42. Issue closed." } TC-->>A: { announcement: "🎉 QA PASS #42. Issue closed." }
A->>TG: "🎉 QA PASS #42. Issue closed."
``` ```
**Ticket complete.** Issue closed, label "Done". **Ticket complete.** Issue closed, label "Done".
@@ -244,18 +356,13 @@ sequenceDiagram
participant MS as Model Selector participant MS as Model Selector
participant PJ as projects.json participant PJ as projects.json
participant AL as audit.log participant AL as audit.log
participant TG as Telegram
A->>TC: task_complete({ role: "qa", result: "fail", projectGroupId: "-123", summary: "OAuth redirect broken" }) A->>TC: task_complete({ role: "qa", result: "fail", projectGroupId: "-123", summary: "OAuth redirect broken" })
TC->>PJ: deactivateWorker(-123, qa) TC->>PJ: deactivateWorker(-123, qa)
TC->>GL: glab issue update 42 --unlabel "Testing" --label "To Improve" TC->>GL: glab issue update 42 --unlabel "Testing" --label "To Improve"
TC->>GL: glab issue reopen 42 TC->>GL: glab issue reopen 42
TC->>GL: glab issue view 42 --output json
TC->>MS: selectModel(title, description, "dev")
MS-->>TC: { alias: "sonnet" }
TC->>AL: append { event: "task_complete", role: "qa", result: "fail" } TC->>AL: append { event: "task_complete", role: "qa", result: "fail" }
TC-->>A: { announcement: "❌ QA FAIL #42 — OAuth redirect broken. Sent back to DEV.", devFixInstructions: "Send QA feedback to existing DEV session..." } TC-->>A: { announcement: "❌ QA FAIL #42 — OAuth redirect broken. Sent back to DEV." }
A->>TG: "❌ QA FAIL #42 — OAuth redirect broken. Sent back to DEV."
``` ```
**Cycle restarts:** Issue goes to "To Improve". Next heartbeat, DEV picks it up again (Phase 3, but from "To Improve" instead of "To Do"). **Cycle restarts:** Issue goes to "To Improve". Next heartbeat, DEV picks it up again (Phase 3, but from "To Improve" instead of "To Do").
@@ -278,21 +385,21 @@ sequenceDiagram
participant SH as session_health participant SH as session_health
participant QS as queue_status participant QS as queue_status
participant TP as task_pickup participant TP as task_pickup
participant SL as sessions_list participant GW as Gateway
Note over A: Heartbeat triggered Note over A: Heartbeat triggered
A->>SL: sessions_list A->>SH: session_health({ autoFix: true })
SL-->>A: [alive_session_1, alive_session_2] SH->>GW: sessions.list
GW-->>SH: [alive sessions]
A->>SH: session_health({ activeSessions: [...], autoFix: true }) SH-->>A: { healthy: true }
SH-->>A: { healthy: false, issues: [{ type: "zombie_session", fixed: true }] }
A->>QS: queue_status() A->>QS: queue_status()
QS-->>A: { projects: [{ dev: idle, queue: { toDo: [#43], toTest: [#44] } }] } QS-->>A: { projects: [{ dev: idle, queue: { toDo: [#43], toTest: [#44] } }] }
Note over A: DEV idle + To Do #43 → pick up Note over A: DEV idle + To Do #43 → pick up
A->>TP: task_pickup({ issueId: 43, role: "dev", ... }) A->>TP: task_pickup({ issueId: 43, role: "dev", ... })
Note over TP: Plugin handles everything:<br/>model select → session lookup →<br/>gateway patch → CLI send →<br/>label transition → state update
Note over A: QA idle + To Test #44 → pick up Note over A: QA idle + To Test #44 → pick up
A->>TP: task_pickup({ issueId: 44, role: "qa", ... }) A->>TP: task_pickup({ issueId: 44, role: "qa", ... })
@@ -316,29 +423,34 @@ Every piece of data and where it lives:
┌─────────────────────────────────────────────────────────────────┐ ┌─────────────────────────────────────────────────────────────────┐
│ DevClaw Plugin (orchestration logic) │ │ DevClaw Plugin (orchestration logic) │
│ │ │ │
│ task_pickup → label transition + state update + model select│ │ task_pickup → model select + session manage + label + state │
│ task_complete → label transition + state update + git pull │ │ task_complete → label transition + state update + git pull │
│ queue_status → read labels + read state │ │ queue_status → read labels + read state │
│ session_health → read state + fix zombies │ │ session_health → check sessions via gateway + fix zombies │
└─────────────────────────────────────────────────────────────────┘
↕ atomic file I/O
┌─────────────────────────────────────────────────────────────────┐
│ memory/projects.json (worker state) │
│ │
│ Per project (keyed by Telegram group ID): │
│ dev: { active, sessionId, issueId, model, startTime } │
│ qa: { active, sessionId, issueId, model, startTime } │
│ │
│ Preserved across tasks: sessionId, model, startTime │
│ Cleared on complete: active → false, issueId → null │
└─────────────────────────────────────────────────────────────────┘ └─────────────────────────────────────────────────────────────────┘
↕ atomic file I/O ↕ Gateway RPC / CLI
┌────────────────────────────────┐ ┌──────────────────────────────┐
│ memory/projects.json │ │ OpenClaw Gateway │
│ │ │ │
│ Per project: │ │ sessions.patch → set model │
│ dev: │ │ sessions.list → list alive │
│ active, issueId, model │ │ sessions.delete → cleanup │
│ sessions: │ │ │
│ haiku: <uuid> │ │ openclaw agent CLI │
│ sonnet: <uuid> │ │ → send message to session │
│ opus: <uuid> │ │ → creates session if new │
│ qa: │ │ │
│ active, issueId, model │ └──────────────────────────────┘
│ sessions: │
│ grok: <uuid> │
└────────────────────────────────┘
↕ append-only ↕ append-only
┌─────────────────────────────────────────────────────────────────┐ ┌─────────────────────────────────────────────────────────────────┐
│ memory/audit.log (observability) │ │ memory/audit.log (observability) │
│ │ │ │
│ NDJSON, one line per event: │ │ NDJSON, one line per event: │
│ task_pickup, task_complete, model_selection, │ │ task_pickup, task_complete, model_selection, │
│ queue_status, health_check │ │ queue_status, health_check, session_spawn, session_reuse │
│ │ │ │
│ Query with: cat audit.log | jq 'select(.event=="task_pickup")' │ │ Query with: cat audit.log | jq 'select(.event=="task_pickup")' │
└─────────────────────────────────────────────────────────────────┘ └─────────────────────────────────────────────────────────────────┘
@@ -348,6 +460,7 @@ Every piece of data and where it lives:
│ │ │ │
│ Per group chat: │ │ Per group chat: │
│ "🔧 Spawning DEV (sonnet) for #42: Add login page" │ │ "🔧 Spawning DEV (sonnet) for #42: Add login page" │
│ "⚡ Sending DEV (sonnet) for #57: Fix validation" │
│ "✅ DEV done #42 — Login page with OAuth. Moved to QA queue."│ │ "✅ DEV done #42 — Login page with OAuth. Moved to QA queue."│
│ "🎉 QA PASS #42. Issue closed." │ │ "🎉 QA PASS #42. Issue closed." │
│ "❌ QA FAIL #42 — OAuth redirect broken. Sent back to DEV." │ │ "❌ QA FAIL #42 — OAuth redirect broken. Sent back to DEV." │
@@ -356,8 +469,8 @@ Every piece of data and where it lives:
┌─────────────────────────────────────────────────────────────────┐ ┌─────────────────────────────────────────────────────────────────┐
│ Git Repository (codebase) │ │ Git Repository (codebase) │
│ │ │ │
│ DEV sub-agent session: reads code, writes code, creates MRs │ │ DEV sub-agent sessions: read code, write code, create MRs │
│ QA sub-agent session: reads code, runs tests, reviews MRs │ │ QA sub-agent sessions: read code, run tests, review MRs │
│ task_complete (DEV done): git pull to sync latest │ │ task_complete (DEV done): git pull to sync latest │
└─────────────────────────────────────────────────────────────────┘ └─────────────────────────────────────────────────────────────────┘
``` ```
@@ -368,19 +481,20 @@ What DevClaw controls vs. what it delegates:
```mermaid ```mermaid
graph LR graph LR
subgraph "DevClaw controls" subgraph "DevClaw controls (deterministic)"
L[Label transitions] L[Label transitions]
S[Worker state] S[Worker state]
M[Model selection] M[Model selection]
SS[Session spawn/send]
A[Audit logging] A[Audit logging]
Z[Zombie cleanup] Z[Zombie cleanup]
end end
subgraph "Orchestrator handles (with DevClaw instructions)" subgraph "Orchestrator handles"
SP[Session spawn/send]
MSG[Telegram announcements] MSG[Telegram announcements]
HB[Heartbeat scheduling] HB[Heartbeat scheduling]
IC[Issue creation via glab] IC[Issue creation via glab]
DEC[Task prioritization]
end end
subgraph "Sub-agent sessions handle" subgraph "Sub-agent sessions handle"
@@ -399,8 +513,9 @@ graph LR
| Failure | Detection | Recovery | | Failure | Detection | Recovery |
|---|---|---| |---|---|---|
| Session dies mid-task | `session_health` detects zombie (active=true but session not in sessions_list) | `autoFix`: reverts label, clears active state. Next heartbeat picks up task again. | | Session dies mid-task | `session_health` checks via `sessions.list` gateway RPC | `autoFix`: reverts label, clears active state, removes dead session from sessions map. Next heartbeat picks up task again (spawns fresh session for that model). |
| glab command fails | Tool throws error, returns to agent | Agent retries or reports to Telegram group | | glab command fails | Tool throws error, returns to agent | Agent retries or reports to Telegram group |
| Gateway RPC fails | `sessions.patch` or `openclaw agent` returns error | Tool returns error to orchestrator with details. Agent can retry or report. |
| projects.json corrupted | Tool can't parse JSON | Manual fix needed. Atomic writes (temp+rename) prevent partial writes. | | projects.json corrupted | Tool can't parse JSON | Manual fix needed. Atomic writes (temp+rename) prevent partial writes. |
| Label out of sync | `task_pickup` verifies label before transitioning | Throws error if label doesn't match expected state. Agent reports mismatch. | | Label out of sync | `task_pickup` verifies label before transitioning | Throws error if label doesn't match expected state. Agent reports mismatch. |
| Worker already active | `task_pickup` checks `active` flag | Throws error: "DEV worker already active on project". Must complete current task first. | | Worker already active | `task_pickup` checks `active` flag | Throws error: "DEV worker already active on project". Must complete current task first. |
@@ -415,4 +530,5 @@ graph LR
| Agent config | `~/.openclaw/openclaw.json` | Agent definition + tool permissions | | Agent config | `~/.openclaw/openclaw.json` | Agent definition + tool permissions |
| Worker state | `~/.openclaw/workspace-<agent>/memory/projects.json` | Per-project DEV/QA state | | Worker state | `~/.openclaw/workspace-<agent>/memory/projects.json` | Per-project DEV/QA state |
| Audit log | `~/.openclaw/workspace-<agent>/memory/audit.log` | NDJSON event log | | Audit log | `~/.openclaw/workspace-<agent>/memory/audit.log` | NDJSON event log |
| Session transcripts | `~/.openclaw/agents/<agent>/sessions/<uuid>.jsonl` | Conversation history per session |
| Git repos | `~/git/<project>/` | Project source code | | Git repos | `~/git/<project>/` | Project source code |