docs: add dependency-graph, deployment-coordination, and skill-creation skills

Closes GRM-173
This commit is contained in:
Emil Simeonov
2026-09-05 16:13:53 +02:00
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# dependency-graph
Map of the oblachno ecosystem. Knows which repo produces what, which
repos depend on which, and the correct order for cross-repo changes.
## When to Invoke
Invoke this skill when:
- Changes span multiple repos
- A change in one repo requires version bumps in downstream repos
- Deploying infrastructure that depends on published packages/images
- Verifying the ecosystem is in a consistent state before deployment
- Determining which repos to update and in what order
## Prerequisites
- All repos cloned under `/home/emo/dev/ideas/oblachno/`
- `.env` with `DEVELOPER_GITEA_API_TOKEN` in each repo
## Ecosystem Map
```
devx (PyPI package)
/ | \
/ | \
grm sso-bridge infra
(PyPI) (PyPI+Docker) (deploys all)
| | |
v v v
infra bump infra bump staging
(auto PR) (auto PR) production
|
mattermost-oidc (Docker image)
(infra pulls :latest at deploy)
```
## Repositories
| Repo | Produces | Consumers | Release Trigger |
|------|----------|-----------|-----------------|
| `devx` | PyPI package `devx` | grm, sso-bridge, infra | User-facing changes to `src/devx/**` |
| `grm` | PyPI package `grm` | infra | User-facing changes to `src/grm/**` or `ansible/**` |
| `sso-bridge` | PyPI package `sso_bridge` + Docker image | infra | User-facing changes to `src/sso_bridge/**` or `ansible/**` |
| `infra` | Staging/production deployment | (end users) | User-facing changes + nightly gate |
| `mattermost-oidc` | Docker image `mattermost-oidc` | infra (pulls at deploy) | `Dockerfile` or `build.yml` changes |
## Dependency Chain
### devx → all repos
devx publishes to the Gitea PyPI registry. grm, sso-bridge, and infra
pin devx in `pyproject.toml`:
```toml
"devx @ git+https://git.oblachno.oblachno.fyi/oblachno-oss/devx.git@vX.Y.Z"
```
When devx publishes a new version:
1. grm, sso-bridge, and infra must bump their pinned devx version
2. This is currently manual — no auto-dependency-PR from devx
3. Each repo must `make setup` to pick up the new version
### grm → infra
grm publishes to PyPI. Its post-merge workflow auto-creates an infra
dependency PR via `devx.ci.create_dependency_pr --repo oblachno/infra
--package grm`. The PR bumps the pinned grm version in infra's
`pyproject.toml`.
### sso-bridge → infra
sso-bridge publishes to PyPI AND builds a Docker image. Its post-merge
workflow auto-creates an infra dependency PR via
`devx.ci.create_dependency_pr --repo oblachno/infra --package
sso_bridge`. The PR bumps the pinned sso_bridge version.
The Docker image is pulled by infra at deploy time (`sso-bridge:latest`).
### mattermost-oidc → infra
mattermost-oidc builds a Docker image tagged `:latest` and `:MM_VERSION`.
infra pulls `mattermost-oidc:latest` at deploy time. There is no
auto-dependency-PR — infra simply pulls the latest image.
### infra → staging/production
infra deploys to staging and production. The deployment:
1. Provisions VMs from golden images
2. Runs Ansible roles (including grm and sso-bridge roles)
3. Pulls Docker images (sso-bridge, mattermost-oidc)
4. Configures services
## Correct Order for Cross-Repo Changes
When a change spans multiple repos, follow this order:
1. **devx first** — if the change starts in devx, merge and publish devx
first. Wait for the PyPI publish job to complete.
2. **Bump devx in consumers** — in grm/sso-bridge/infra, bump the pinned
devx version, run `make setup`, verify tests pass, merge.
3. **grm/sso-bridge second** — merge and publish grm/sso-bridge. Wait
for the PyPI publish + Docker image build to complete.
4. **Auto-dependency-PRs** — grm/sso-bridge post-merge auto-creates infra
PRs to bump pinned versions. Wait for these PRs to appear.
5. **Merge infra dependency PRs** — review and merge the auto-created
infra PRs.
6. **infra last** — deploy to staging, validate, promote to production.
## State Verification Before Deployment
Before deploying infra, verify:
1. **devx version consistent** — all repos pin the same devx version
2. **grm published** — latest grm tag exists in PyPI
3. **sso-bridge published** — latest sso_bridge tag exists in PyPI
4. **sso-bridge image built** — latest sso-bridge Docker image exists
5. **mattermost-oidc image built** — latest mattermost-oidc image exists
6. **infra pins match published versions** — no stale pins
7. **Nightly gate green**`NIGHTLY_STATUS` is not `failed`
## Quick Check Commands
```bash
# Check latest devx version
curl -sS https://git.oblachno.oblachno.fyi/api/v1/repos/oblachno-oss/devx/releases/latest | python3 -c "import json,sys; print(json.load(sys.stdin).get('tag_name','?'))"
# Check pinned devx version in each repo
for repo in grm sso-bridge infra; do
echo -n "$repo: "; grep 'devx @' /home/emo/dev/ideas/oblachno/$repo/pyproject.toml | grep -oP 'v[\d.]+'
done
# Check latest sso-bridge image build
curl -sS -H "Authorization: token $DEVELOPER_GITEA_API_TOKEN" \
"https://git.oblachno.oblachno.fyi/api/v1/repos/oblachno/sso-bridge/actions/runs?per_page=5" \
| python3 -c "import json,sys; [print(r['id'],r['status'],r['conclusion']) for r in json.load(sys.stdin).get('workflow_runs',[]) if r.get('event')=='push']"
```
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# deployment-coordination
How grm releases propagate to infra. grm publishes a PyPI package and
auto-creates an infra dependency PR. Coordination ensures the PR is
merged before infra deploys.
## When to Invoke
Invoke this skill when:
- Changes to grm affect infra deployments
- Preparing a grm release that infra depends on
- Verifying infra has bumped to the latest grm version
- Coordinating a multi-repo change that includes grm
## Prerequisites
- grm repo at `/home/emo/dev/ideas/oblachno/grm`
- `.env` with `DEVELOPER_GITEA_API_TOKEN`
- See `dependency-graph` skill for the full ecosystem map
## What grm Produces
grm publishes a Python package to the Gitea PyPI registry. infra pins it:
```toml
"grm @ git+https://git.oblachno.oblachno.fyi/oblachno-oss/grm.git@vX.Y.Z"
```
## Release Flow
1. PR merged to master
2. Post-merge workflow runs `devx.ci.release` — classifies changes
3. If user-facing changes: git-cliff bumps version, creates tag, pushes
4. `devx.ci.publish` builds and publishes to Gitea PyPI registry
5. `devx.ci.create_dependency_pr --repo oblachno/infra --package grm`
auto-creates an infra PR to bump the pinned grm version
## Downstream Consumer
| Repo | Pin location | Auto-bump? |
|------|-------------|------------|
| infra | `pyproject.toml` | Yes — auto PR created by post-merge |
## Coordinating a grm Change
1. **Merge grm PR** — wait for post-merge publish + dependency-PR creation
2. **Verify publish** — check the new tag:
```bash
curl -sS -H "Authorization: token $DEVELOPER_GITEA_API_TOKEN" \
https://git.oblachno.oblachno.fyi/api/v1/repos/oblachno-oss/grm/releases/latest \
| python3 -c "import json,sys; print(json.load(sys.stdin).get('tag_name','?'))"
```
3. **Find the auto-created infra PR** — check infra for open PRs with
`dependency` label or title containing `bump grm`
4. **Review and merge the infra dependency PR** — verify the version bump,
run `make pytest-cov` in infra, add `ready-to-merge`
5. **Verify infra staging deploy** — after infra merges, staging deploy
picks up the new grm version
## State Verification
```bash
# Current grm version
grep '__version__' /home/emo/dev/ideas/oblachno/grm/src/grm/__init__.py
# What infra pins
grep 'grm @' /home/emo/dev/ideas/oblachno/infra/pyproject.toml | grep -oP 'v[\d.]+'
# Check for open infra dependency PRs
curl -sS -H "Authorization: token $DEVELOPER_GITEA_API_TOKEN" \
"https://git.oblachno.oblachno.fyi/api/v1/repos/oblachno/infra/pulls?state=open" \
| python3 -c "import json,sys; [print(p['number'],p['title']) for p in json.load(sys.stdin) if 'grm' in p.get('title','').lower()]"
```
## Common Mistakes
- Merging the grm PR but ignoring the auto-created infra dependency PR
- Deploying infra before the dependency PR is merged — stale grm version
- Forgetting that grm also has an Ansible role used by infra at deploy time
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# skill-creation
How to create, validate, and maintain Devin skills. Skills must be
clear, succinct, and actionable — no AI slop.
## When to Invoke
Invoke this skill when:
- Creating a new skill
- Amending an existing skill
- Evaluating whether a skill is needed
- Reviewing a PR that adds or modifies skills
## Prerequisites
- Skill directory: `.devin/skills/<skill-name>/SKILL.md`
- Validator: `tests/test_skills.py` (infra) or reference to it
- Tests: `tests/unit/test_skills_validation.py` (infra)
## When to Create a Skill
Create a skill when:
- An agent struggles with a task repeatedly (branch hygiene, PR order)
- A workflow has non-obvious ordering constraints (deployment coordination)
- A task requires specific tool usage over raw commands (CI monitoring)
- Multiple agents need shared context (dependency graph)
Do NOT create a skill for:
- One-off tasks (use a spec instead)
- Tasks already covered by AGENTS.md
- Tasks that are obvious from the Makefile or README
- Tasks that change frequently (skills should be stable)
## Skill Structure
Every skill MUST have:
```markdown
# <skill-name>
One-line description of what the skill does.
## When to Invoke
2-4 bullet points describing when to use this skill.
## Prerequisites
What must exist before using the skill (venv, .env, tools).
## <Core Content>
The actual guidance. Keep it actionable.
## Verification (if applicable)
How to verify the skill's guidance works.
## Common Mistakes (if applicable)
What agents get wrong without this skill.
```
## Quality Standards
### Do
- **Be specific.** Reference exact make targets, file paths, commands.
- **Be concise.** Each section should be scannable in under 30 seconds.
- **Be actionable.** Every paragraph should tell the agent what to DO.
- **Use tables** for command reference, mappings, and comparisons.
- **Use code blocks** for commands the agent should run.
- **Link to other skills** when related (e.g., "See `dependency-graph` skill").
### Don't
- **No preamble.** Don't start with "This skill helps agents..." — just state what it does.
- **No filler.** Don't repeat information from AGENTS.md or other skills.
- **No vague advice.** "Be careful with branches" is useless. "Run `git branch --show-current` before every commit" is useful.
- **No AI slop.** Don't write "In this comprehensive guide, we will explore..." — just give the guidance.
- **No redundant sections.** If "Common Mistakes" would repeat "When to Invoke", skip it.
- **No marketing.** Don't describe the skill as "powerful" or "comprehensive".
## Scope Rules
- **One skill per concern.** Don't mix branch hygiene with CI monitoring.
- **Project-specific, not generic.** Skills reference this repo's make targets, file paths, and conventions — not abstract advice.
- **Shared skills must be identical across repos.** Use `SHARED_SKILLS` in the validator to enforce this.
- **Per-repo skills must reflect that repo's reality.** Don't copy infra-specific targets to sso-bridge.
## Automated Validation
Every skill must pass the validator (`tests/test_skills.py`). The validator checks:
1. **Structure** — H1 title, "When to Invoke" section, "Prerequisites" section
2. **Commands** — referenced `make <target>` commands exist in Makefile or devx.mak
3. **Paths** — referenced file paths exist in the repo
4. **Shared skills** — identical content across repos (SHA-256 comparison)
5. **No drift** — no references to nonexistent commands or files
Run the validator:
```bash
python3 tests/test_skills.py --repo infra --repo sso-bridge
```
## Effectiveness Evaluation
### Static Checks (automated, CI)
The validator runs in CI as part of `make pytest-cov`. A failing skill
test blocks the PR. This catches:
- Missing sections
- Invalid commands
- Broken file references
- Cross-repo drift
### Runtime Metrics (manual, periodic)
Track these signals to evaluate skill effectiveness:
- **Skill invocation frequency** — how often agents invoke the skill
- **Success rate when invoked** — did the skill prevent the mistake it targets?
- **Feedback issues** — agents create Gitea issues with `feedback` label when a skill is unclear or wrong
- **Mistake recurrence** — if agents still make the mistake the skill targets, the skill needs improvement
### Retrospective Review
Periodically (monthly or after major incidents) review skills:
1. List all skills and their last-modified dates
2. Check for feedback issues tagged `skill-improvement`
3. Verify referenced commands still exist (run validator)
4. Remove skills that are no longer relevant
5. Update skills where mistakes still recur
6. Document lessons in this skill's "Common Mistakes" section
## Creating a New Skill — Checklist
- [ ] Identify the repeated struggle or non-obvious workflow
- [ ] Check no existing skill covers it
- [ ] Write the skill following the structure above
- [ ] Run `python3 tests/test_skills.py` — must pass
- [ ] Run `make pytest-cov` — must pass with 100% coverage
- [ ] If shared across repos, copy identical content to each repo
- [ ] Add the skill to `SHARED_SKILLS` in the validator if shared
- [ ] Create PR, verify CI passes, merge
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# GRM-173: Add dependency-graph, deployment-coordination, and skill-creation skills
## Problem
Agents working across the oblachno ecosystem lack shared, written context
for three recurring struggles: (1) knowing which repo produces what and
the correct order for cross-repo changes, (2) coordinating grm releases
with the downstream infra dependency PR, and (3) creating and validating
new Devin skills consistently. Without these skills, agents repeatedly
make mistakes such as deploying infra before the grm dependency PR is
merged, or writing skills that fail the validator.
## Approach
Add three skill files under `.devin/skills/`. Two are shared skills
(`dependency-graph`, `skill-creation`) that must be identical across
repos; one is grm-specific (`deployment-coordination`). All three
follow the standard skill structure (H1 title, When to Invoke,
Prerequisites, core content) and reference real make targets, file
paths, and API endpoints.
REQ-1: Add `.devin/skills/dependency-graph/SKILL.md` — shared skill mapping the oblachno ecosystem (repos, produces/consumers, dependency chain, correct change order, state verification)
REQ-2: Add `.devin/skills/deployment-coordination/SKILL.md` — grm-specific skill covering release flow, downstream consumer, coordinating a grm change, and common mistakes
REQ-3: Add `.devin/skills/skill-creation/SKILL.md` — shared skill for creating, validating, and maintaining skills (structure, quality standards, scope rules, automated validation, checklist)
## Files Affected
- `.devin/skills/dependency-graph/SKILL.md` (new)
- `.devin/skills/deployment-coordination/SKILL.md` (new)
- `.devin/skills/skill-creation/SKILL.md` (new)
- `docs/specs/GRM-173.md` (new)
## Test Plan
- Verify all three SKILL.md files follow the required structure (H1, When to Invoke, Prerequisites)
- Verify referenced make targets and file paths are accurate
- Run `make pytest-cov` to confirm no test regressions (skills are docs-only, no code changes)
- Confirm shared skills (`dependency-graph`, `skill-creation`) are ready for cross-repo sync
## Deploy Plan
- Merge to master via auto-merge workflow
- No runtime changes; documentation-only (`.devin/**` is infrastructure path, no release triggered)
## Rollback Plan
- Revert the merge commit; skill files are removed, no functional impact
## Acceptance Criteria
- [x] REQ-1: `.devin/skills/dependency-graph/SKILL.md` exists with ecosystem map, dependency chain, correct change order, and state verification sections
- [x] REQ-2: `.devin/skills/deployment-coordination/SKILL.md` exists with release flow, downstream consumer table, coordination steps, and common mistakes
- [x] REQ-3: `.devin/skills/skill-creation/SKILL.md` exists with skill structure template, quality standards, scope rules, automated validation, and creation checklist