Move docs/ package mirror into document-navigator plugin

Relocate the ~6k-file docs tree from the repo root into
plugins/document-navigator/docs/ so the plugin is self-contained and
portable. docs/superpowers/ (specs and plans) stays at the repo root.

Moved via cp+rm rather than git mv because directory rename() fails with
EPERM on this WSL /mnt DrvFs mount; git rename-detection pairs the
identical-content files at commit time.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

plugins/document-navigator/docs/media/audio-ir/audio-ir-room-plugin-pool/src/manifest/manifest.md

@@ -0,0 +1,89 @@
+# `manifest` — single-entry `IrManifest` for the outdoor-swimming-pool IR
+
+<!-- begin:auto-docs -->
+_(no submodules)_
+<!-- end:auto-docs -->
+
+## Purpose
+
+Declares the lone `IrManifestEntry` shipped by `@suaveplan/audio-ir-room-plugin-pool`.
+The entry's `uri` is a `fallback://?u=<bundle>&u=<https>` URI built at module
+load by `buildFallbackUri` from `@suaveplan/storage-uri-plugin-fallback` —
+when the consuming resolver has both a `bundle://` plugin and an `https://`
+plugin wired, the shipped `fallback://` walk hits the in-package WAV first
+and only reaches for the CDN copy when the local file is absent.
+
+The manifest also pins the **decoded** `channels` and `sampleRate` of the
+bundled WAV (`channels = 1`, `sampleRate = 48000`) so the loader's
+`validateAndFinalize` step can reject any subsequent re-encode that drifts
+from those values. Both numbers were obtained by feeding
+`files/outdoor-swimming-pool.wav` through `decodeWav` once at
+manifest-authoring time.
+
+## Features
+
+- Round-trips through `IrManifestSchema` at module load — any drift in the
+  schema fails the build before `dist/` is emitted.
+- `BUNDLE_PACKAGE_SLUG`, `BUNDLE_URI`, `CDN_URI`, `ENTRY_ID`, `CHANNELS`,
+  `SAMPLE_RATE` exported as named `const` literals so consumers can refer
+  to them without re-deriving from `manifest.entries[0]`.
+- Frozen at runtime (`IrManifestSchema` applies `Object.freeze` to the
+  parsed manifest + every entry).
+
+## Usage: Basic
+
+```ts
+import { manifest } from "@suaveplan/audio-ir-room-plugin-pool/manifest";
+
+console.log(manifest.packageSlug); // "pool"
+console.log(manifest.entries[0].id); // "pool-outdoor-swimming-pool"
+```
+
+## Usage: Advanced
+
+```ts
+import {
+    BUNDLE_URI,
+    CDN_URI,
+    ENTRY_ID,
+    manifest,
+} from "@suaveplan/audio-ir-room-plugin-pool/manifest";
+import { parseFallbackUri } from "@suaveplan/storage-uri-plugin-fallback";
+
+const entry = manifest.entries[0];
+const parsed = parseFallbackUri(entry.uri);
+console.log(parsed.candidates); // [BUNDLE_URI, CDN_URI]
+console.log(entry.id === ENTRY_ID); // true
+```
+
+## API Reference
+
+| Symbol | Kind | Description |
+| --- | --- | --- |
+| `manifest` | `IrManifest` | Frozen single-entry manifest. |
+| `BUNDLE_PACKAGE_SLUG` | `"audio-ir-room-plugin-pool"` | Slug expected by the bundle plugin. |
+| `BUNDLE_URI` | string literal | Bundle-local URI for the WAV. |
+| `CDN_URI` | string literal | HTTPS CDN URI for the WAV. |
+| `ENTRY_ID` | `"pool-outdoor-swimming-pool"` | Entry id within the registry. |
+| `CHANNELS` | `1` | Decoded channel count of the WAV. |
+| `SAMPLE_RATE` | `48000` | Decoded sample rate of the WAV (Hz). |
+
+## Implementation Notes
+
+The manifest constants are NOT optional — the spec for this package
+requires them to equal the values measured by decoding
+`files/outdoor-swimming-pool.wav` at authoring time. If the bundled WAV is
+ever re-mastered, both `CHANNELS` and `SAMPLE_RATE` MUST be updated to
+match the new decode result, and the file-presence integration test
+SHOULD re-run as part of that change to assert the new constants.
+
+`buildFallbackUri([BUNDLE_URI, CDN_URI])` runs at module load. The
+ordering of candidates IS the failover policy — bundle wins when present,
+CDN wins when bundle reports `BUNDLE_URI.NOT_FOUND`. Reversing the array
+would silently flip that policy without a separate spec change, so the
+constants are kept verbose and explicit rather than inlined.
+
+The `license` field intentionally says "All Rights Reserved — Suaveplan
+internal media library" because the source media library has no public
+license attached. Consumers SHOULD NOT redistribute the bundled WAV
+outside the Suaveplan distribution.

plugins/document-navigator/docs/media/audio-ir/audio-ir-room-plugin-pool/src/register/register.md

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+# `register` — install bundle plugin + register manifest
+
+<!-- begin:auto-docs -->
+_(no submodules)_
+<!-- end:auto-docs -->
+
+## Purpose
+
+Single entry point for plugging `@suaveplan/audio-ir-room-plugin-pool` into a
+consumer's `IrRegistry` + `StorageUriResolver` composition. Constructs the
+package-scoped `bundleUriPlugin` (rooted at the in-package `files/`
+directory via `import.meta.url`) and hands it to a `MutableUriPluginRegistrar`,
+then calls `registerManifest(registry, manifest)` so the lone
+`pool-outdoor-swimming-pool` entry is reachable via `registry.get(id)`.
+
+The `MutableUriPluginRegistrar` shape is the canonical collector interface
+shipped by `@suaveplan/audio-ir-core` — see that package's
+`registrar/registrar.md` for the type definition and the
+`createUriPluginCollector()` factory every consumer should reach for
+first. This package only consumes the interface; it does NOT redeclare it.
+
+The helper deliberately does NOT install the `fallback://` plugin or any
+`https://` plugin. Both are resolver-composition concerns the consumer
+owns once per resolver (the `fallback://` plugin is stateful across
+candidates; sharing a single instance keeps the per-candidate counter
+attribution consistent across every content package that uses it).
+
+## Features
+
+- One call wires both the bundle adapter and the manifest registration.
+- Uses `import.meta.url` to locate `files/` — works in both Node and any
+  modern bundler that preserves package URLs.
+- No fallback plugin registration — single-responsibility wrt content.
+- `target` is typed against the foundation's `MutableUriPluginRegistrar`
+  so a single shape works across every `audio-ir-{family}-plugin-<name>`
+  content package.
+
+## Usage: Basic
+
+```ts
+import {
+    createIrRegistry,
+    createUriPluginCollector,
+} from "@suaveplan/audio-ir-core";
+import { createStorageUriResolver } from "@suaveplan/storage-uri";
+import { register } from "@suaveplan/audio-ir-room-plugin-pool/register";
+
+const registry = createIrRegistry();
+const collector = createUriPluginCollector();
+register(registry, collector);
+
+const resolver = createStorageUriResolver(collector.plugins);
+```
+
+## Usage: Advanced
+
+Compose multiple content packages into a single resolver, then wrap an
+HTTPS-aware plugin and the shared `fallbackUriPlugin` on top:
+
+```ts
+import {
+    createIrRegistry,
+    createUriPluginCollector,
+} from "@suaveplan/audio-ir-core";
+import { createIrLoader } from "@suaveplan/audio-ir-loader";
+import { decodeWav } from "@suaveplan/audio-decode-wav";
+import { createStorageUriResolver } from "@suaveplan/storage-uri";
+import { fallbackUriPlugin } from "@suaveplan/storage-uri-plugin-fallback";
+import { register } from "@suaveplan/audio-ir-room-plugin-pool/register";
+
+const registry = createIrRegistry();
+const collector = createUriPluginCollector();
+register(registry, collector);
+
+// Append the consumer's https://-aware plugin.
+const innerPlugins = [...collector.plugins, myHttpsPlugin];
+const innerResolver = createStorageUriResolver(innerPlugins);
+const outerResolver = createStorageUriResolver([
+    ...innerPlugins,
+    fallbackUriPlugin({ resolver: innerResolver, policy: { errorClass: "any" } }),
+]);
+
+const loader = createIrLoader({
+    registry,
+    resolver: outerResolver,
+    decoders: { wav: decodeWav },
+});
+const ir = await loader.load("pool-outdoor-swimming-pool");
+```
+
+## API Reference
+
+| Symbol | Kind | Description |
+| --- | --- | --- |
+| `register(registry, target, options?)` | function | Wire the bundle plugin into `target` and register the manifest into `registry`. |
+| `RegisterOptions` | interface | Optional `{ fetch?: FetchLike }` override for the bundle adapter (use `nodeFileFetch` under Node). |
+| `MutableUriPluginRegistrar` | type | Re-exported from `@suaveplan/audio-ir-core`. Canonical `{ use(plugin: UriPlugin): void }` collector shape. |
+
+## Implementation Notes
+
+`new URL("../../files/", import.meta.url)` is intentional — the
+`manifest/manifest.ts` file lives at `src/manifest/manifest.ts` in the
+source tree, and at `dist/manifest/manifest.js` after build. In both
+cases the relative climb two levels up from the file's URL lands on the
+package root, where `files/` lives at the same level as `dist/` and
+`src/`. The trailing slash is required by `bundleUriPlugin` — it
+rejects `rootUrl` values whose pathname does not end with `/`.
+
+The bundle plugin's `packageSlug` is `"audio-ir-room-plugin-pool"`,
+which matches the `bundle://audio-ir-room-plugin-pool/...` authority in
+the manifest's URI. Mismatch would surface as `BUNDLE_URI.INVALID_URI`
+at first dispatch, not at registration — so the manifest's bundle URI
+and `BUNDLE_PACKAGE_SLUG` are both exported from `manifest.ts` as
+single-source-of-truth constants.
+
+The helper does NOT clear or re-init the registry. Repeated calls
+against the same registry will fail on `AUDIO_IR.DUPLICATE_ID` from
+`registerManifest`, which is the desired behaviour — content packages
+should install exactly once per process.
+
+`MutableUriPluginRegistrar` is no longer declared locally; the type is
+imported from `@suaveplan/audio-ir-core` so every content package
+targets exactly one shape. The function body is unchanged across the
+type-only switch.