reverse-skills-max: initial public release (restored, redacted, hardened)

our-skills/devin-architecture-reverse/SKILL.md

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+---
+name: devin-architecture-reverse
+description: "Devin AI agent architecture reverse engineering — binary structure, permission modes, hooks, slash commands, OMP mapping"
+---
+
+# Devin Architecture — Reverse Engineering Notes
+
+## Binary Location
+`C:/Users/User/AppData/Local/Programs/Devin/` — Electron/VSCode fork with Windsurf/Codeium extension.
+
+## Key Components
+```
+Devin.exe (Electron, 216MB)
+└── resources/app/extensions/windsurf/    ← Codeium agent extension
+    └── devin/
+        ├── bin/devin.exe (151MB)          ← Go/Rust agent binary
+        └── share/devin/docs/              ← Documentation
+            ├── essential-commands.mdx     ← 5 permission modes, 30+ slash commands
+            ├── sandbox.mdx                ← OS-level isolation (bubblewrap)
+            ├── adaptive.mdx               ← Auto model routing
+            ├── handoff.mdx                ← Transfer to cloud Devin
+            └── acp/                       ← Agent Communication Protocol
+```
+
+## Permission Modes
+1. **Normal** — auto-approves read-only tools, asks for write/execute
+2. **Accept Edits** — auto-approves file edits, prompts for shell
+3. **Smart** — fast model decides safety of each action
+4. **Bypass (YOLO)** — auto-approves everything
+5. **Autonomous** — requires `--sandbox`, OS-level isolation
+
+## Slash Commands
+/plan, /ask, /mode, /model, /loop, /compact, /handoff, /resume, /workspace, /hooks, /clear, /exit, /ls, /rm-session
+
+## Hook System (8 event types)
+SessionStart, UserPromptSubmit, PreToolUse, PostToolUse, PermissionRequest, PostCompaction, SessionEnd, Stop
+
+## OMP Equivalent
+| Devin | OMP |
+|---|---|
+| Bypass mode | approvalMode: yolo |
+| /plan | plan: deepseek-reasoner:xhigh |
+| /ask | advisor: deepseek-v4-pro:max |
+| /loop | verification-loop skill |
+| Adaptive routing | modelFallback + usageAwareFallback |
+| Sandbox | task.isolation: projfs |
+| Sessions | checkpoint + remember skill |
+| /compact | compaction.autoContinue |
+| MCP | 20+ MCP servers |
+| 30 workers | maxConcurrency: 30 |
+| Hooks | extensions (6 .ts files) |
+
+## Devin Suite — OMP Implementation
+Devin Suite lives at `C:/Users/User/.omp/agent/tools/devin_suite/` and provides:
+- FastAPI server with planning, search, agents, sandbox, WebSocket
+- 5 permission modes with per-agent state
+- 8-event hook system with registry
+- Slash command parser and handlers
+- Dashboard with 4 tabs (Agents, Plans, Search, Sandbox)
+- OMP extension integration