Graduate EPAC to its immutable public release

.github/workflows/epac.yml

@@ -1,30 +1,39 @@
-name: epac
+name: EPAC release consumption
 
 on:
   pull_request:
-    paths:
-      - "research/epac/**"
-      - "libs/ucns/**"
-      - ".github/workflows/epac.yml"
+    paths: ["integration/epac/**", "research/epac/**", "stack-manifest.json", "STACK_MANIFEST.md", ".github/workflows/epac.yml"]
   push:
     branches: [main]
-    paths:
-      - "research/epac/**"
-      - "libs/ucns/**"
-      - ".github/workflows/epac.yml"
+    paths: ["integration/epac/**", "research/epac/**", "stack-manifest.json", "STACK_MANIFEST.md", ".github/workflows/epac.yml"]
 
 permissions:
   contents: read
 
 jobs:
-  epac:
+  released-artifact:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-python@v6
+      - uses: actions/checkout@v7
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
+          fetch-depth: 0
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.12"
-      - name: EPAC contract tests
+      - name: Install the pinned environment manager
+        run: python -m pip install uv==0.11.18
+      - name: Check Stack projections
+        run: python tools/check_stack_consistency.py
+      - name: Reconsume immutable EPAC release
         env:
-          PYTHONPATH: research/epac:libs/ucns/src
-        run: python -m unittest discover -s research/epac/tests -q
+          PYTHONDONTWRITEBYTECODE: "1"
+        run: python integration/epac/reconsume.py integration/epac/release-lock.json /tmp/epac-public-consumption python
+      - uses: actions/upload-artifact@v7
+        with:
+          name: epac-public-consumption
+          path: |
+            /tmp/epac-public-consumption/consumption.json
+            /tmp/epac-public-consumption/release-lock.json
+          if-no-files-found: error

.github/workflows/python-gonol.yml

@@ -29,6 +29,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
       - uses: actions/setup-python@v6
         with:
           python-version: "3.12"

.github/workflows/stack-consistency.yml

@@ -10,6 +10,8 @@ on:
       - 'research/**'
       - 'libs/**'
       - 'tools/check_stack_consistency.py'
+      - 'integration/epac/**'
+      - 'docs/work-graphs/repository-plan-report.json'
       - '.agents/skills/stack-update/**'
       - '.github/workflows/stack-consistency.yml'
   push:
@@ -22,6 +24,8 @@ on:
       - 'research/**'
       - 'libs/**'
       - 'tools/check_stack_consistency.py'
+      - 'integration/epac/**'
+      - 'docs/work-graphs/repository-plan-report.json'
       - '.agents/skills/stack-update/**'
       - '.github/workflows/stack-consistency.yml'
 
@@ -33,5 +37,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
       - name: Verify stack authority and provenance projections
         run: python tools/check_stack_consistency.py
+      - name: Validate the repository-owned portfolio report
+        run: python skill-lib/interdependent-work-graph/portfolio_plan.py docs/work-graphs/repository-plan-report.json --output /tmp/stack-portfolio-validation.json

AGENTS.md

@@ -17,6 +17,9 @@ projects may later graduate into their own repositories.
   component. It owns Python source admission and bottom-up affixiation only; METAPAT owns
   affixiation semantics, UCNS owns consumed geometry, and parser objects are witnesses
   rather than gonol identities.
+- `integration/epac/` consumes the hash-pinned public EPAC release.
+  `research/epac/` retains historical evidence only; route implementation changes to
+  `The-Interdependency/epac`. Do not restore the retired forge import path.
 - root-level emerging projects such as `ahbg/` may be close to external repo-hood; root
   placement does not transfer authority from their inputs.
 - `STACK_MANIFEST.md` and `stack-manifest.json` own stack-level participant provenance.
@@ -84,6 +87,13 @@ Structural stack consistency:
 python tools/check_stack_consistency.py
 ```
 
+EPAC release integration (new output directory outside Stack):
+
+```bash
+python3 integration/epac/reconsume.py \
+  integration/epac/release-lock.json /tmp/epac-public-consumption python3.12
+```
+
 Fresh-making/backend checks that can run without PostgreSQL:
 
 ```bash

README.md

@@ -27,7 +27,6 @@ stack/
 │   ├── edcm/
 │   ├── pcea/
 │   ├── ptcna/
-│   ├── epac/                # canon slot unpopulated until EPAC graduates
 │   └── skill-lib/           # reserved; root skill-lib/ remains the operational special case
 ├── research/                # stack-local work; never source authority by location
 │   ├── metapat/             # current METAPAT research + BASE.json
@@ -37,9 +36,10 @@ stack/
 │   ├── edcm/                # current EDCM measurement research + BASE.json
 │   ├── pcea/                # current PCEA research + BASE.json
 │   ├── ptcna/               # current PTCNA research + BASE.json
-│   ├── epac/                # extracted candidate remains forge-side until graduation completes
+│   ├── epac/                # historical forge evidence; active implementation is independent
 │   ├── psychsocio-metafauna/ # proposed pattern-lineage, coalescence, accountability research
 │   └── from-photons-to-macroverse/ # audited consciousness-first candidate research
+├── integration/epac/        # immutable EPAC release lock and consumer verification
 ├── ahbg/                    # emerging composed benchmark/game workspace
 ├── backend/                 # PostgreSQL-backed durable fresh-making control plane
 ├── frontend/
@@ -114,11 +114,17 @@ English Gonol Construction is currently a distinct stack-local research componen
 separated from EDCM but not independently graduated.
 Python Gonol Construction is likewise stack-local and ungraduated; its Python 3.12
 constructor is an implemented candidate, not stack or language canon.
-EPAC and psychsocio metafauna are currently in this pre-graduation state.
-EPAC is further along: it has an independent extracted repository, but extraction is not
-graduation, so its forge research remains here until EPAC completes its release,
-downstream reconsumption, and authority-transition gates. From Photons to the Macroverse
-is also stack-local pre-graduation research.
+Psychsocio metafauna and From Photons to the Macroverse remain stack-local
+pre-graduation research. EPAC has an independently published MPL-2.0 `v0.1.0`
+release and has passed public Stack reconsumption. Its Python forge copy is retired;
+`research/epac/` preserves historical evidence. EPAC is graduated: implementation and public-contract authority belong to the
+independent repository, as recorded in
+[`integration/epac/authority-transition.json`](integration/epac/authority-transition.json).
+
+```bash
+python3 integration/epac/reconsume.py \
+  integration/epac/release-lock.json /tmp/epac-public-consumption python3.12
+```
 
 ### Make derived artifacts fresh without depending on hosted CI
 

STACK_MANIFEST.md

@@ -5,12 +5,13 @@ Provenance and authority-boundary record for `The-Interdependency/stack`.
 - Source snapshot UTC: `2026-08-22T10:19:43Z` (initial participant snapshot)
 - Layout migration UTC: `2026-08-30T02:58:49Z`
 - PCEA canonical refresh UTC: `2026-08-31T07:49:28Z` at `91ffa8c7249dfb810ca64a0bbc500481c0bd12a9`
+- EPAC graduation UTC: `2026-09-12`; immutable `v0.1.0`, public reconsumption and scoped implementation/public-contract transition accepted.
 - EPAC extraction reconciliation UTC: `2026-09-05` at `d8868858b2e455381ce670797bdbe47189bdc496`
 - English Gonol separation reconciliation UTC: `2026-09-12` at `030022948fb7c749961ae65743a4448c4bb6cbbe`
 - Python Gonol construction baseline UTC: `2026-09-12` at `0e8384bbb60e4c2189016a212bdd0030d04aed7d`
 - Stack-manifest schema: `the-interdependency.stack-manifest` version `1.1.0`
 - Work-graph digest (SHA-256 over canonical `repositories` + `research_participants` + `boundaries` JSON):
-  `482e9a4f70c18ad4888d1fab32e44a6ab550fe7486fabd2f1253876c266212eb`
+  `96f8809cedc76cf0a53bd358d2b0b5ef43aa6e888dabb3187a014843d0586489`
 - Machine-readable copy: [`stack-manifest.json`](stack-manifest.json)
 
 ## Directory contract
@@ -42,7 +43,7 @@ meaning used by that repository.
 | `The-Interdependency/edcm` | `7951ca32ba0f2494dc68ff9b7f6a80151918a56d` | main | measurement and evaluation of text-domain outputs | canon view `libs/edcm/`; measurement research `research/edcm/`; English Gonol construction is separate at `research/english-gonol/` |
 | `The-Interdependency/pcea` | `91ffa8c7249dfb810ca64a0bbc500481c0bd12a9` | main | prime circle encryption algorithm | canon view `libs/pcea/`; research `research/pcea/` |
 | `The-Interdependency/ptcna` | `97abdd1bbda61a68e0aac8595a32a3cb0ce73487` | main | prime tensor circled neural architecture | canon view `libs/ptcna/`; research `research/ptcna/` |
-| `The-Interdependency/epac` | `d8868858b2e455381ce670797bdbe47189bdc496` | main | independent extracted candidate repository; implementation/public-contract authority transition incomplete | extracted repo exists; forge candidate remains `research/epac/` until release/reconsumption; `libs/epac/` remains unpopulated |
+| `The-Interdependency/epac` | `949cb1cb304927942966c9fb396caf6227120e7f` | v0.1.0 | independent implementation and public-contract authority for EPAC | immutable release artifact consumer at integration/epac/; historical forge evidence at research/epac/; libs/epac/ remains unpopulated |
 
 ## Research-Only Composition Participants
 
@@ -52,6 +53,7 @@ release identity.
 
 | Workspace | Participant | Exact commit | Relation | Canonical release |
 |---|---|---|---|---|
+| `research/epac/` | `The-Interdependency/stack` | `0e8384bbb60e4c2189016a212bdd0030d04aed7d` | historical forge evidence; active implementation consumed from the independent EPAC release | no |
 | `research/english-gonol/` | `The-Interdependency/stack` | `030022948fb7c749961ae65743a4448c4bb6cbbe` | stack-local English lexical/gonol construction separated from EDCM; consumes UCNS geometry; EDCM may evaluate outputs but does not define construction | no |
 | `research/python-gonol/` | `The-Interdependency/stack` | `0e8384bbb60e4c2189016a212bdd0030d04aed7d` | stack-local bottom-up Python 3.12 source gonol construction; applies METAPAT affixiation semantics, consumes optional UCNS geometry, and transfers no language authority to UCNS or EDCM | no |
 | `research/ucns/` | `The-Interdependency/ucns` | `1975fe70cf4e0826a8020c2da3047569e277af64` | explicit source base for integrated stack-local UCNS research; does not refresh or replace the manifest-pinned `libs/ucns` canonical view | no |
@@ -89,9 +91,11 @@ extracted from as provenance while declaring a distinct `project` and stack-loca
 authority. Such a component must also appear in the stack research-participant graph;
 its source repository must stop claiming the separated responsibility at stack level.
 
-EPAC is currently an extraction-transition exception: the independent repository exists,
-but authority transfer is not complete, so the forge candidate remains in `research/epac/`
-and no `libs/epac/` canonical import is created yet.
+EPAC is consumed as an immutable release artifact through `integration/epac/`.
+`research/epac/` retains historical forge evidence at its explicit Stack BASE, with
+all Python implementation/test copies retired. A `libs/epac/` source mirror is not
+required for artifact consumption. The completed scoped authority transition is recorded in
+`integration/epac/authority-transition.json`.
 
 ## License status at pinned commits
 
@@ -103,7 +107,7 @@ and no `libs/epac/` canonical import is created yet.
 | edcm | MPL-2.0 (`LICENSE`) |
 | pcea | present (`LICENSE`) |
 | ptcna | present (`LICENSE`) |
-| epac | independent repository exists; no `LICENSE` yet — `hmmm` |
+| epac | MPL-2.0 (`LICENSE`); owner weak-copyleft instruction recorded in the release source |
 
 ## Non-transfer boundaries
 
@@ -133,10 +137,12 @@ repository, merge it there, then refresh the pinned view.
 
 ## Graduation boundary
 
-EPAC now has an independent extracted repository, but extraction is not graduation.
-Do not populate `libs/epac/`, replace the forge candidate, or assert implementation/public-contract
-authority transfer until EPAC completes its clean build/install, license/distribution,
-immutable release, downstream stack reconsumption, and authority-transition receipt gates.
+EPAC has passed its licensed candidate matrix, pre-publication Stack check, immutable
+publication and public Stack reconsumption. The historical implementation path is
+retired. The clean retired-source consumer gate passed, and the completed scoped
+authority-transition receipt records EPAC as graduated. See `integration/epac/` for the immutable
+release lock and acceptance evidence. EPAC consumes exact UCNS `6eea1828a34ed8ec99879f8090ea5d48352d8c2d`;
+Stack's direct `libs/ucns/` and separate research UCNS pins remain unchanged.
 
 English Gonol Construction is earlier in that lifecycle: it is a distinct stack-local
 research component, not EDCM and not an independent canonical release.
@@ -148,7 +154,6 @@ transfers no semantic, geometric, measurement, or language-canon status.
 ## hmmm
 
 - UCNS has no `LICENSE` file at pinned commit `828c0b8`.
-- EPAC clean install, license, stable release, downstream reconsumption, and authority-transition receipt remain incomplete; `libs/epac/` stays unpopulated until graduation.
 - English Gonol Construction remains stack-local research; independent repository/release authority has not been established.
 - Python Gonol Construction remains stack-local research; independent repository/release authority and exact UCNS affixiation geometry remain unresolved.
 - `skill-lib/` remains a special operational snapshot at stack root rather than following the ordinary `libs/` + `research/` pair.