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+# ADR 0002 — The "Automated AI Engineer" plugin boundary (generic role vs deployment config)
+
+- **Status:** Proposed
+- **Date:** 2026-07-04
+- **Deciders:** devantler-tech maintainers
+- **Issue:** [#54](https://github.com/devantler-tech/agent-plugins/issues/54) (Part of [#51](https://github.com/devantler-tech/agent-plugins/issues/51), child 1; relates to roadmap epic [#38](https://github.com/devantler-tech/agent-plugins/issues/38), Theme 1 — *realize "not skills-only" as an agents+skills bundle*)
+
+> 🤖 Generated by the Daily AI Assistant
+
+## Context
+
+The Daily AI Engineer — the autonomous agent that operates *and* advances every devantler-tech product —
+is defined **entirely inside the monorepo**: the `AGENTS.md` shared engineering contract plus the
+`.claude/` agents and skills (`daily-maintainer` agent, `portfolio-surveyor` agent, and the
+`portfolio-maintenance` / `product-engineering` / `self-improvement` skills). The maintainer prompt that
+opened this thread (2026-07-03):
+
+> *"Consider if parts of the constitution stored in `AGENTS.md` files in the monorepo and submodules
+> should be made into a dedicated 'Automated AI Engineer' plugin."*
+
+[#51](https://github.com/devantler-tech/agent-plugins/issues/51) assessed that a large part of the
+constitution is **genuinely generic** — reusable by any org that wants an autonomous engineer over a
+portfolio — but is not consumable outside the monorepo, and proposed an ADR-first, three-child path
+(design → extract → consume). This ADR is **child 1**. It is documentation-only and changes no manifest
+or CI (mirroring ADR-0001's split of design from its implementing child), because the load-bearing risk
+is not the mechanics of extraction but the **boundary**: a bad split leaves half-generic text drifting in
+two places. So the ADR's job is to draw that line and **name every section's home explicitly**, giving
+children 2 and 3 a contract to implement.
+
+This also advances the marketplace's own roadmap: [#38](https://github.com/devantler-tech/agent-plugins/issues/38)
+Theme 1 wants a flagship bundle that proves plugins are *not skills-only* — an agent+skills unit at real
+scale. The Automated AI Engineer is exactly that (two agents + three skills).
+
+**Name collision to avoid.** An existing `agentic-engineering` plugin bundles SDK / instruction-authoring
+/ skill-discovery skills for **building** agentic applications; `engineering-practices` bundles practice
+skills (review, testing, design). This plugin is a **third, distinct concern** — the autonomous engineer
+**role/actor** itself (the run loop + the agents that run it), not tools for building agents and not a bag
+of practice skills. It is named `automated-ai-engineer` to keep the three audiences unblurred.
+
+## The dividing line: genericity and volatility agree
+
+Two independent axes sort the constitution, and they **point the same way**, which is what makes a clean
+cut possible:
+
+- **Genericity** — is this reusable by *any* org running an autonomous engineer, or is it a fact about
+  *this* portfolio?
+- **Volatility** — how often does it change? The *role* (how to survey, select, act, keep PRs healthy,
+  improve safely) is **slow-moving**; the *portfolio configuration* (which repos exist, which logins are
+  trusted, the cadence numbers) is **fast-moving** — the constitution's hottest churn.
+
+The generic parts are also the slow-moving parts, and the deployment-specific parts are also the
+fast-moving parts. So a single line separates **the role (→ plugin)** from **the configuration (→ the
+consuming repo's `AGENTS.md`)**, and — crucially for the self-improvement loop (D3) — keeps the churn
+local.
+
+## Decision
+
+### D1 — Home of every section: role → plugin, configuration → consumer `AGENTS.md`
+
+**Generic — the role (→ plugin: the two agents + three skills):**
+
+| Constitution element | Plugin home |
+|---|---|
+| Run loop: survey → select → act → report; the operate-before-advance ladder; the "ship ≥1 concrete artifact, aim higher" floor | `portfolio-maintenance` skill |
+| Issue-driven engineering: capture-before-build, drain-oldest-actionable-first, decompose-and-start; strategy/roadmap & triage; coverage/perf/refactor/docs levers | `product-engineering` skill |
+| Self-improvement procedure: evidence-from-own-runs, guard-railed, one-concern-per-PR, **never weaken a guardrail** | `self-improvement` skill |
+| Draft-PR checkpoint model (autonomy up to promotion; promotion = the human gate); "stop starting, start finishing" WIP discipline | across the skills (shared engineering contract) |
+| PR hygiene triad — CI **+** review threads **and review-body findings** **+** conflicts; bot-reviewer engagement | `portfolio-maintenance` skill |
+| Untrusted-input discipline & the trust-gate **pattern** (exact-login matching; external-PR static-review-only; never run untrusted branch code) — the *pattern*, not the concrete logins | shared contract |
+| Per-run worktree execution model + git safety | shared contract |
+| The actor and the read-only surveyor | `daily-maintainer`-equivalent + `portfolio-surveyor` **agent** definitions |
+
+**Deployment-specific — the configuration (→ stays in the consuming repo's `AGENTS.md`):**
+
+| Configuration element | Why it stays local |
+|---|---|
+| The **portfolio map** + per-product cards + each submodule's `AGENTS.md ## Maintenance` (validate commands, protected files, labels) | Repo-specific by definition; the fastest-churning surface |
+| Concrete **trust-gate logins**, merge-queue / per-repo merge mechanics, prod-access facts | Facts about *this* org's accounts and infra |
+| **Memory** location & schema; **cadence** numbers; **maintainer channels** (the ask tool, draft-PR steering) | Deployment wiring, not role logic |
+
+The rule for a disputed section: **a section is configuration (stays local) only if it is a
+*deployment-owned fact* — one that identifies *this* org's repos, accounts, infrastructure, or wiring and
+so must change when the role is installed on another portfolio. Everything that describes *how to decide or
+act* is role and moves to the plugin — including decision thresholds (the `ship ≥1 artifact` floor, the
+`≤2 consecutive easy-tick` gate), which are portable rule logic even though they embed a number. A bare
+number is not the discriminator; *deployment-owned volatility* is: cadence frequencies and per-repo merge
+mechanics stay local because they parameterize this deployment, not because they contain digits.**
+
+### D2 — Parameterization contract: skills cite named, consumer-supplied sections
+
+The plugin's skills are authored against a small, fixed set of **named contract sections** that the
+consuming repo's `AGENTS.md` **must** define. A skill says *"consult the **Portfolio map**"*, *"apply the
+**Trust gate**"*, *"at the **Cadence**"* — abstract references the consumer fills in. The required
+contract sections a consumer must supply:
+
+- **Portfolio map** (+ per-product `## Maintenance` cards)
+- **Trust gate** — concrete trusted logins **and** per-repo merge mechanics
+- **Cadence** — run frequency + per-product review/docs rotation numbers
+- **Memory** — the durable-store location & schema
+- **Maintainer channels** — how to reach a human decision (e.g. an ask-tool prompt, draft-PR steering)
+
+Two consequences for child 2:
+
+1. **Skills' canonical home is [agent-skills](https://github.com/devantler-tech/agent-skills)** — this
+   marketplace's own rule is that agent-skills is the *single source of skills* and plugins bundle them via
+   `gh skill install`, **never hand-copied**. So child 2 first **generalizes** `portfolio-maintenance` /
+   `product-engineering` / `self-improvement` into agent-skills (rewritten to the contract-section
+   references above, with every devantler-tech specific removed), *then* the plugin bundles them.
+2. **The agents bundle in the plugin's `agents/` directory** — realizing the *not-skills-only* capability
+   ADR-0001 is proving out, now as a genuine **agents+skills** unit (#38 T1 at real scale).
+
+### D3 — Self-improvement-loop implication (the explicit, accepted trade)
+
+Today the agent improves its **whole** constitution through **same-repo draft PRs** in the monorepo — one
+repo, one promotion gate, fast. After extraction, an improvement's path depends on its home:
+
+- **Generic-core** change (run loop, hygiene triad, the self-improvement procedure itself) → an
+  **agent-plugins** PR (and an **agent-skills** PR for a skill body) **plus** a **consumer version-bump**
+  PR. More indirection (release + bump) than a single monorepo PR.
+- **Deployment-config** change (portfolio map, a cadence number, a product card) → an unchanged
+  **same-repo** monorepo PR — fast.
+
+The friction lands **only** on the slow-moving role; the constitution's hot path (the ~weekly portfolio
+config) stays local and fast. That is the whole point of splitting on volatility (D1), and it is the
+reason the trade is **accepted** rather than a regression — but it is a real trade and is recorded here so
+it is a deliberate choice, not a surprise. **Guardrail unchanged:** self-improvement still may never
+weaken a safety control, in whichever repo the change lands; and all three repos are inside the trust
+gate, so the loop stays fully devantler-tech-autonomous (draft-PR checkpoint, maintainer promotes).
+
+### D4 — Sequencing and the agent-skills dependency (scope of the follow-up children)
+
+- **Child 2 — extract:** generalize the three skills into **agent-skills** (contract-section references,
+  no devantler-tech specifics) and author the engineer + surveyor **agent** definitions; assemble
+  `plugins/automated-ai-engineer/` — a `plugin.json` carrying only `name` / `description` / `version` /
+  `author` / `keywords` (component paths **omitted**, auto-discovered, per ADR-0001 D1), with the skills
+  bundled and the agents under `agents/`. Validate with `scripts/validate-manifests.sh` + both manifests +
+  the README in parity, as the gate requires.
+- **Child 3 — consume:** the monorepo installs the plugin; its `AGENTS.md` shrinks to the **deployment
+  configuration** + the named contract sections + pointers, and per-product cards stay local.
+
+**Named dependency:** the generalized engineering skills need a canonical home in agent-skills *before*
+the plugin can bundle them — child 2 opens the agent-skills issue for that extraction as its first step.
+This ADR itself makes **no** code/manifest change (documentation-only).
+
+## Considered alternatives
+
+- **Status quo — keep the whole constitution in the monorepo.** Rejected: no portability, and #38 T1's
+  flagship bundle stays unrealized. The maintainer prompt explicitly asks to reconsider this.
+- **Parameterize *everything*, including the portfolio configuration, into the plugin.** Rejected: it
+  would force a plugin release + consumer bump on **every** portfolio change — friction exactly where the
+  constitution churns hardest — and it inverts the volatility split that makes D3's trade acceptable.
+- **Collapse the three skills into one "ai-engineer" mega-skill.** Rejected: `portfolio-maintenance`
+  (run loop), `product-engineering` (advance), and `self-improvement` are already the natural, separately
+  reusable units; merging them loses that separation and their independent installability.
+- **Put the generalized skills directly in the plugin dir, skipping agent-skills.** Rejected: violates
+  this marketplace's *single-source-of-skills* rule — every bundled skill must have its canonical upstream
+  in agent-skills and is installed via `gh skill install`, never hand-copied.
+- **Fold the role into the existing `agentic-engineering` (or `engineering-practices`) plugin.** Rejected:
+  those bundle tools for *building* agentic apps / engineering *practices*; the autonomous-engineer role is
+  a distinct concern and audience, and co-bundling would blur all three (see *Context*).
+
+## Consequences
+
+**Positive**
+
+- Realizes #38 Theme 1's flagship **agents+skills** bundle at real scale, and the portability principle
+  (tool-neutral; Copilot CLI reads the same plugin schema — ADR-0001).
+- Reuse beyond this org: any portfolio can install the role and supply its own contract sections.
+- Forces the constitution to separate **role** from **configuration** cleanly — a clarity win even for the
+  monorepo, independent of the extraction landing.
+
+**Negative / risks**
+
+- **Iteration friction on the role** (release + consumer bump) — mitigated by the volatility split: only
+  the slow-moving role pays it; the hot portfolio config stays local (D3).
+- **Drift if the split is sloppy** — mitigated by D1's per-section home table and the disputed-section
+  rule; children 2/3 must keep to it.
+- **A dual-/tri-repo self-improvement loop** — more moving parts than one monorepo PR; bounded, still
+  autonomous, and never permitted to weaken a guardrail.
+
+## Follow-up
+
+- **Child 2 (extract)** and **Child 3 (consume)** of #51 — filed when this ADR is accepted.
+- The agent-skills home for the three generalized skills — an agent-skills issue opened at the start of
+  child 2 (the D4 dependency).