diff --git a/openwiki/.last-update.json b/openwiki/.last-update.json
index bf6f423..9a4e70d 100644
--- a/openwiki/.last-update.json
+++ b/openwiki/.last-update.json
@@ -1,6 +1,6 @@
 {
-  "updated_at": "2026-07-24T10:38:04Z",
-  "repository": "agentcast",
-  "updated_by": "openwiki-update-agent",
-  "notes": "Created initial OpenWiki pages for AGENTS.md and CLAUDE.md OpenWiki entrypoint updates and documentation workflow alignment."
+  "updatedAt": "2026-07-27T11:20:41.470Z",
+  "command": "update",
+  "gitHead": "8e95f2abc64c1f17263d26e480d862962d206ded",
+  "model": "gpt-5.3-codex-spark"
 }
diff --git a/openwiki/architecture/index.md b/openwiki/architecture/index.md
new file mode 100644
index 0000000..d78bc78
--- /dev/null
+++ b/openwiki/architecture/index.md
@@ -0,0 +1,3 @@
+# Files
+
+- [OpenWiki Architecture Overview](overview.md) - Explains how AgentCast OpenWiki documentation connects to the repository's source-of-truth contracts and update workflows.
diff --git a/openwiki/architecture/overview.md b/openwiki/architecture/overview.md
index befea4c..0879666 100644
--- a/openwiki/architecture/overview.md
+++ b/openwiki/architecture/overview.md
@@ -7,7 +7,7 @@ tags:
   - architecture
   - documentation
   - agentcast
-timestamp: "2026-07-24T10:38:04Z"
+timestamp: "2026-07-27T11:19:57Z"
 ---
 
 # OpenWiki Architecture Overview
@@ -23,9 +23,8 @@ architectural contracts already maintained elsewhere.
 - [`openwiki/quickstart.md`](../quickstart.md) **links to** [`operations/openwiki-update.md`](../operations/openwiki-update.md) and
   [`architecture/overview.md`](./overview.md) for deeper detail.
 - [`/.github/workflows/openwiki-update.yml`](../../.github/workflows/openwiki-update.yml) **orchestrates** scheduled OpenWiki runs.
-- [`openwiki/quickstart.md`](../quickstart.md) **reflects** source-of-truth contracts in
-  [docs/MVP.md](../../docs/MVP.md) and [docs/ARCH.md](../../docs/ARCH.md) via links,
-  not duplication.
+- [`AGENTS.md`](../../AGENTS.md) and [`CLAUDE.md`](../../CLAUDE.md) now state OpenWiki may also point to workflows, domain concepts, integrations, testing guidance, and source maps in addition to architecture and operations.
+- [`openwiki/quickstart.md`](../quickstart.md) currently lists those target areas and tracks missing coverage in its backlog, while detailed explanations remain in `docs/` and source code.
 
 ## Repository documentation layers
 
@@ -42,6 +41,8 @@ specs, architecture, tests, and principles).
 
 This OpenWiki scope is intentionally narrow because recent changes are limited to
 OpenWiki discoverability and operation messaging in `AGENTS.md` and `CLAUDE.md`.
+`openwiki/quickstart.md` now reflects that onboarding sentence while keeping
+`openwiki/operations/` as the only fully documented operational surface.
 
 The primary relationships to maintain are:
 
@@ -68,6 +69,10 @@ required for this repository.
 When the code or docs change but OpenWiki structure is unchanged, keep updates
 small and only where user-facing claims changed.
 
-If the project later adds broader OpenWiki surfaces (for example, a dedicated API
-or runtime behavior section), keep the same relationship pattern: one canonical
-concept page per area and one or more links from [`openwiki/quickstart.md`](../quickstart.md) (or neighboring core pages).
+The architecture page reflects scope drift by linking to `openwiki/quickstart.md` backlog entries for deferred areas (domain concepts, integrations, testing guidance, source maps).
+
+If the project later adds broader OpenWiki surfaces (for example, a dedicated API,
+runtime behavior, domain, integrations, testing, or source-map section), keep the
+same relationship pattern: one canonical concept page per area and one or more
+links from [`openwiki/quickstart.md`](../quickstart.md) (or neighboring core
+pages).
diff --git a/openwiki/index.md b/openwiki/index.md
new file mode 100644
index 0000000..9e495f0
--- /dev/null
+++ b/openwiki/index.md
@@ -0,0 +1,12 @@
+---
+okf_version: "0.1"
+---
+
+# Files
+
+- [AgentCast OpenWiki Quickstart](quickstart.md) - Canonical entry point for OpenWiki in the AgentCast repository, with links to source-of-truth docs and update workflows.
+
+# Directories
+
+- [architecture](architecture/)
+- [operations](operations/)
diff --git a/openwiki/operations/index.md b/openwiki/operations/index.md
new file mode 100644
index 0000000..40d0b21
--- /dev/null
+++ b/openwiki/operations/index.md
@@ -0,0 +1,3 @@
+# Files
+
+- [OpenWiki Update Operations](openwiki-update.md) - Operational guide for updating AgentCast OpenWiki after OpenWiki-facing source changes in AGENTS.md, CLAUDE.md, or workflow docs.
diff --git a/openwiki/quickstart.md b/openwiki/quickstart.md
index dc8c543..0274850 100644
--- a/openwiki/quickstart.md
+++ b/openwiki/quickstart.md
@@ -7,7 +7,7 @@ tags:
   - agentcast
   - documentation
   - onboarding
-timestamp: "2026-07-24T10:38:04Z"
+timestamp: "2026-07-27T11:19:57Z"
 ---
 
 # AgentCast OpenWiki Quickstart
@@ -23,10 +23,10 @@ Use this as the first page for the repository OpenWiki tree.
 
 This repository's OpenWiki pages are a concise index and operations playbook. The long-form contracts and implementation specifics remain in `docs/` and source code; this wiki points to those authoritative sources.
 
-The pages here focus on:
+The pages here currently focus on:
 
 - where OpenWiki is sourced from in source control,
-- which update path to use for scheduled/manual refreshes,
+- how scheduled/manual refreshes run,
 - and what to check before editing documentation pages.
 
 ## Source of truth references
@@ -53,12 +53,14 @@ Start here, then follow this path when investigating behavior changes:
 The repository has strict update discipline: refresh only pages whose claims are
 affected by recent source changes, connector evidence, or explicit task scope.
 
-For this run, the immediate drivers were edits to `AGENTS.md` and `CLAUDE.md`.
+For this run, the immediate drivers were edits to `AGENTS.md` and `CLAUDE.md`, which updated the OpenWiki onboarding sentence to enumerate additional conceptual sections.
 
 When you inspect this wiki, treat `/openwiki/.last-update.json` as the run marker
 for the last successful documentation update.
 
 ## Backlog
 
-- None at present; if additional OpenWiki source domains are added later (for example,
-  per-workflow source maps), document them here first and avoid adding thin pages early.
+- **Domain concepts** — AGENTS.md/CLAUDE.md OpenWiki onboarding sentence now mentions broader conceptual coverage; full dedicated OpenWiki domain pages are not yet generated, with details still in `docs/` and source code.
+- **Integrations surfaces** — AGENTS.md/CLAUDE.md OpenWiki onboarding sentence references integrations, but no dedicated OpenWiki integrations section exists yet.
+- **Testing guidance surfaces** — AGENTS.md/CLAUDE.md OpenWiki onboarding sentence references testing guidance, while detailed testing flow is still documented in `docs/TESTING.md`.
+- **Source maps** — AGENTS.md/CLAUDE.md OpenWiki onboarding sentence references source maps, but no generated OpenWiki source maps are maintained in this repository yet.