docs(3.0): sweep remaining daemon/schedule/hook prose + MIGRATION-3.0 (ag-qbw) (#520)

## What

Wave 2 of the AgentOps 3.0 honest-docs sweep (post-#518 audit, bead
ag-qbw). Makes the `docs/` prose match the shipped code: the daemon,
scheduler, factory, and all hooks were **DELETED** (not deprecated).
AgentOps is the in-session loop + context compiler; out-of-session
orchestration is delegated to a substrate (Gas City reference City /
Olympus). Mirrors the already-correct `docs/3.0.md`.

This makes `docs/3.0.md:150` ("the standalone
daemon/scheduler/overnight-runner surfaces are gone from ... live doc
prose") true for the enumerated wave-2 surfaces.

## Deleted (whole docs about deleted commands)

- `docs/scheduling.md` — entire `ao schedule` + `ao daemon` guide
-
`docs/contracts/{agentopsd-control-plane,agentopsd-schedule,routing-policy}.md`
- `docs/contracts/jobspec-openapi-v0.yaml`
- `docs/templates/dark-factory-schedule.yaml.example`
- `docs/design/olympus-v4-specs/*.md` — v4-port reference for the dead
Olympus → agentopsd extraction

## Reframed (prose → in-session + Gas City)

- Daemon/schedule/overnight: `agentops-3-youtube-starter-series.md`,
`agentops-3-pmf-evidence-loop.md`, `wiki-for-agents.md`,
`activation-profiles.md` (+ `profiles/README.md` profile rename),
`CI-CD.md` (overnight lane)
- Hooks → hookless + CI-as-authoritative-gate (hooks removed #511):
`knowledge-flywheel.md`, `troubleshooting.md`, `reference.md`,
`CI-CD.md`, `release-e2e-checklist.md`, `seed-definition.md`

## Catalog + cross-link cleanup (no broken links)

- `documentation-index.md` — removed deleted-doc rows + the v4 section
- `contracts/index.md` — removed deleted-contract cards
- `rfcs/0002-jobspec-openapi-v0.md` marked superseded; `SCHEMAS.md`,
`templates/README.md` cross-links fixed

## Created

- `docs/MIGRATION-3.0.md` (from the approved draft) + catalog row +
mkdocs nav entry

## Gates (green for this PR's surfaces)

- Link check: **2723 links, 0 broken**
- Contracts structural floor: **PASS (45 contracts)**
- Contract compatibility (orphans): **PASS**
- markdownlint (all changed/new files): **clean**
- `heal.sh --strict`: **All clean**
- mkdocs-strict: my new doc + nav entry build cleanly. The strict build
is **red on main for pre-existing reasons outside this scope** —
`docs/_hooks/gen_cli_reference.py` FATALs on missing `cli/docs/HOOKS.md`
(hooks removed #511, generator not updated; release-mechanics domain)
and `docs/3.0.md:172` links `../PRODUCT.md`/`../GOALS.md` (root files
outside the docs tree). Both confirmed present on `origin/main`; filed
for wave 3.

## Scope notes

- Did **not** touch `CHANGELOG.md`, `cli/`, or version files (parallel
worker owns release mechanics).
- The audit grep still matches ~40 more out-of-scope `docs/` files
(contracts/*, code-map, comparisons, narrative pages, runbooks). Filed
as **wave 3 (ag-p7j)**.

Closes-scenario: ag-qbw#doc-sweep-2
Bounded-context: BC1-Corpus
Evidence: docs/3.0.md

docs/contracts/index.md

@@ -32,20 +32,6 @@ skills, the runtime, and external integrations.
     Architecture boundary for `agentopsd`, the daemon ledger, job queue, local
     trust, projections, and migration from foreground command flows.
 
--   :material-factory: **[AgentOpsd Control Plane](agentopsd-control-plane.md)**
-
-    ---
-
-    Production control-plane contract for worker slots, worktree ownership,
-    lifecycle telemetry, validation gates, yield, and operator status.
-
--   :material-routes: **[Routing Policy](routing-policy.md)**
-
-    ---
-
-    Schema-backed model/provider/runtime lane policy, authority levels, and
-    milestone-1 GasCity / Mt. Olympus production-routing guardrails.
-
 -   :material-lock-check: **[Daemon Idempotency](daemon-idempotency.md)**
 
     ---
@@ -53,13 +39,6 @@ skills, the runtime, and external integrations.
     Submit retry contract for `request_id`, `idempotency_key`, and
     daemon-submitting CLI helpers.
 
--   :material-file-code: **[JobSpec OpenAPI v0](jobspec-openapi-v0.yaml)**
-
-    ---
-
-    Machine-readable OpenAPI contract for the current `agentopsd` job,
-    readiness, ledger replay, projection, and OpenClaw consumer HTTP surface.
-
 -   :material-api: **[GasCity Integration](gascity-integration.md)**
 
     ---