feat: serve docs flat at /<repo>/ with no redirects

- collect.py copies each repo's built site contents directly to a
  top-level <repo>/ dir (was libs|apis|wiki/<repo>/site nesting)
- nginx uses `index index.html lib/index.html api/index.html` so
  /dagpipe/ -> lib/index.html, /auth-server/ -> api/index.html are
  served internally with no redirects
- _index regenerates links against the flat layout
  (/dagpipe/lib/, /auth-server/api/, /mongo-ops/, /blog/...)
- config.yml static entries point at vendored blog/ + media-manager/
- Dockerfile copies per-repo dirs flat into the nginx html root
- removed stale libs/, apis/, wiki/, tutorials/ category trees

omniread/mcp/modules/omniread.csv.client.json

@@ -0,0 +1,69 @@
+{
+  "module": "omniread.csv.client",
+  "content": {
+    "path": "omniread.csv.client",
+    "docstring": "# Summary\n\nCSV client abstractions for OmniRead.\n\nThis module defines the **client layer** responsible for retrieving raw\ncomma-separated-value document bytes from a concrete backing store.\n\nClients provide low-level access to csv binaries and are intentionally\ndecoupled from scraping and parsing logic. They do not perform validation,\ninterpretation, or content extraction.\n\nTypical backing stores include:\n\n- Local filesystems\n- Object storage (S3, GCS, etc.)\n- Network file systems",
+    "objects": {
+      "ABC": {
+        "name": "ABC",
+        "kind": "alias",
+        "path": "omniread.csv.client.ABC",
+        "signature": "<bound method Alias.signature of Alias('ABC', 'abc.ABC')>",
+        "docstring": null
+      },
+      "abstractmethod": {
+        "name": "abstractmethod",
+        "kind": "alias",
+        "path": "omniread.csv.client.abstractmethod",
+        "signature": "<bound method Alias.signature of Alias('abstractmethod', 'abc.abstractmethod')>",
+        "docstring": null
+      },
+      "Path": {
+        "name": "Path",
+        "kind": "alias",
+        "path": "omniread.csv.client.Path",
+        "signature": "<bound method Alias.signature of Alias('Path', 'pathlib.Path')>",
+        "docstring": null
+      },
+      "Any": {
+        "name": "Any",
+        "kind": "alias",
+        "path": "omniread.csv.client.Any",
+        "signature": "<bound method Alias.signature of Alias('Any', 'typing.Any')>",
+        "docstring": null
+      },
+      "BaseCsvClient": {
+        "name": "BaseCsvClient",
+        "kind": "class",
+        "path": "omniread.csv.client.BaseCsvClient",
+        "signature": "<bound method Class.signature of Class('BaseCsvClient', 25, 58)>",
+        "docstring": "Abstract client responsible for retrieving csv bytes.\n\nRetrieves bytes from a specific backing store (filesystem, S3, FTP, etc.).\n\nNotes:\n    **Responsibilities:**\n\n        - Implementations must accept a source identifier appropriate to\n          the backing store.\n        - Return the full csv binary payload.\n        - Raise retrieval-specific errors on failure.",
+        "members": {
+          "fetch": {
+            "name": "fetch",
+            "kind": "function",
+            "path": "omniread.csv.client.BaseCsvClient.fetch",
+            "signature": "<bound method Function.signature of Function('fetch', 40, 58)>",
+            "docstring": "Fetch raw csv bytes from the given source.\n\nArgs:\n    source (Any):\n        Identifier of the csv location, such as a file path,\n        object storage key, or remote reference.\n\nReturns:\n    bytes:\n        Raw csv bytes.\n\nRaises:\n    Exception:\n        Retrieval-specific errors defined by the implementation."
+          }
+        }
+      },
+      "FileSystemCsvClient": {
+        "name": "FileSystemCsvClient",
+        "kind": "class",
+        "path": "omniread.csv.client.FileSystemCsvClient",
+        "signature": "<bound method Class.signature of Class('FileSystemCsvClient', 61, 97)>",
+        "docstring": "CSV client that reads from the local filesystem.\n\nNotes:\n    **Guarantees:**\n\n        - This client reads csv files directly from the disk and\n          returns their raw binary contents.",
+        "members": {
+          "fetch": {
+            "name": "fetch",
+            "kind": "function",
+            "path": "omniread.csv.client.FileSystemCsvClient.fetch",
+            "signature": "<bound method Function.signature of Function('fetch', 72, 97)>",
+            "docstring": "Read a csv file from the local filesystem.\n\nArgs:\n    path (Path):\n        Filesystem path to the csv file.\n\nReturns:\n    bytes:\n        Raw csv bytes.\n\nRaises:\n    FileNotFoundError:\n        If the path does not exist.\n    ValueError:\n        If the path exists but is not a file."
+          }
+        }
+      }
+    }
+  }
+}