Implement WP-0011 hub service, CLI, and deployment artifacts

Add FederationHubAPI spec, hub registration schema, FastAPI hub with SQLite
persistence, reuse-surface hub CLI client, Dockerfile, and hub tests. Activate
workplan; T05 deploy and T06 ops docs remain open pending railiance01 cutover.

reuse_surface/hub/store.py

@@ -0,0 +1,165 @@
+from __future__ import annotations
+
+import json
+import sqlite3
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import Any
+
+import yaml
+from jsonschema import Draft202012Validator
+
+from reuse_surface.registry import ROOT
+
+SCHEMA_PATH = ROOT / "schemas" / "hub-registration.schema.yaml"
+
+
+def _utc_now() -> str:
+    return datetime.now(timezone.utc).replace(microsecond=0).isoformat()
+
+
+def _load_schema() -> dict[str, Any]:
+    return yaml.safe_load(SCHEMA_PATH.read_text(encoding="utf-8"))
+
+
+def _validate(payload: dict[str, Any], schema_ref: str) -> list[str]:
+    schema = _load_schema()
+    subschema = schema["$defs"][schema_ref]
+    validator = Draft202012Validator(subschema)
+    return [error.message for error in validator.iter_errors(payload)]
+
+
+def _row_to_registration(row: sqlite3.Row) -> dict[str, Any]:
+    data = json.loads(row["payload"])
+    data["registered_at"] = row["registered_at"]
+    data["updated_at"] = row["updated_at"]
+    return data
+
+
+def _public_registration(registration: dict[str, Any]) -> dict[str, Any]:
+    return {key: value for key, value in registration.items() if key != "auth_env"}
+
+
+class HubStore:
+    def __init__(self, db_path: Path) -> None:
+        self.db_path = db_path
+        self.db_path.parent.mkdir(parents=True, exist_ok=True)
+        self._init_db()
+
+    def _connect(self) -> sqlite3.Connection:
+        conn = sqlite3.connect(self.db_path)
+        conn.row_factory = sqlite3.Row
+        return conn
+
+    def _init_db(self) -> None:
+        with self._connect() as conn:
+            conn.execute(
+                """
+                CREATE TABLE IF NOT EXISTS registrations (
+                    repo TEXT PRIMARY KEY,
+                    payload TEXT NOT NULL,
+                    registered_at TEXT NOT NULL,
+                    updated_at TEXT NOT NULL
+                )
+                """
+            )
+
+    def list_repos(self) -> list[dict[str, Any]]:
+        with self._connect() as conn:
+            rows = conn.execute(
+                "SELECT * FROM registrations ORDER BY repo"
+            ).fetchall()
+        return [_public_registration(_row_to_registration(row)) for row in rows]
+
+    def get_repo(self, repo: str) -> dict[str, Any] | None:
+        with self._connect() as conn:
+            row = conn.execute(
+                "SELECT * FROM registrations WHERE repo = ?", (repo,)
+            ).fetchone()
+        if row is None:
+            return None
+        return _public_registration(_row_to_registration(row))
+
+    def get_repo_internal(self, repo: str) -> dict[str, Any] | None:
+        with self._connect() as conn:
+            row = conn.execute(
+                "SELECT * FROM registrations WHERE repo = ?", (repo,)
+            ).fetchone()
+        if row is None:
+            return None
+        return _row_to_registration(row)
+
+    def create_repo(self, payload: dict[str, Any]) -> dict[str, Any]:
+        errors = _validate(payload, "registration_request")
+        if errors:
+            raise ValueError("; ".join(errors))
+        now = _utc_now()
+        record: dict[str, Any] = {
+            "repo": payload["repo"],
+            "url": payload["url"],
+            "enabled": payload.get("enabled", True),
+            "required": payload.get("required", False),
+            "domain": payload["domain"],
+            "cache_ttl_seconds": payload.get("cache_ttl_seconds", 86400),
+            "auth_header": payload.get("auth_header", "Authorization"),
+        }
+        for optional in ("description", "auth_env", "registered_by"):
+            if payload.get(optional) is not None:
+                record[optional] = payload[optional]
+        validator = Draft202012Validator(_load_schema())
+        full_errors = [
+            error.message
+            for error in validator.iter_errors(
+                {**record, "registered_at": now, "updated_at": now}
+            )
+        ]
+        if full_errors:
+            raise ValueError("; ".join(full_errors))
+
+        with self._connect() as conn:
+            try:
+                conn.execute(
+                    """
+                    INSERT INTO registrations (repo, payload, registered_at, updated_at)
+                    VALUES (?, ?, ?, ?)
+                    """,
+                    (record["repo"], json.dumps(record), now, now),
+                )
+            except sqlite3.IntegrityError as exc:
+                raise FileExistsError(f"repo already registered: {record['repo']}") from exc
+        return _public_registration({**record, "registered_at": now, "updated_at": now})
+
+    def update_repo(self, repo: str, payload: dict[str, Any]) -> dict[str, Any]:
+        errors = _validate(payload, "registration_update")
+        if errors:
+            raise ValueError("; ".join(errors))
+        existing = self.get_repo_internal(repo)
+        if existing is None:
+            raise KeyError(f"repo not found: {repo}")
+        updated = {**existing, **{k: v for k, v in payload.items() if v is not None}, "repo": repo}
+        now = _utc_now()
+        updated["updated_at"] = now
+        with self._connect() as conn:
+            conn.execute(
+                """
+                UPDATE registrations
+                SET payload = ?, updated_at = ?
+                WHERE repo = ?
+                """,
+                (json.dumps(updated), now, repo),
+            )
+        return _public_registration(updated)
+
+    def delete_repo(self, repo: str) -> bool:
+        with self._connect() as conn:
+            cursor = conn.execute(
+                "DELETE FROM registrations WHERE repo = ?", (repo,)
+            )
+        return cursor.rowcount > 0
+
+    def list_repos_internal(self) -> list[dict[str, Any]]:
+        with self._connect() as conn:
+            rows = conn.execute(
+                "SELECT * FROM registrations ORDER BY repo"
+            ).fetchall()
+        return [_row_to_registration(row) for row in rows]