From ec2a91a4013cff6a5eedfb4ab6a2e011a3a293a9 Mon Sep 17 00:00:00 2001
From: giles <giles.bradshaw@sigyl.com>
Date: Tue, 24 Feb 2026 08:27:50 +0000
Subject: [PATCH] Add fragment blueprint + sync shared: micro-frontend
 infrastructure

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 app.py                   |  4 +++-
 bp/__init__.py           |  1 +
 bp/fragments/__init__.py |  1 +
 bp/fragments/routes.py   | 34 ++++++++++++++++++++++++++++++++++
 shared                   |  2 +-
 5 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 bp/fragments/__init__.py
 create mode 100644 bp/fragments/routes.py

diff --git a/app.py b/app.py
index eb4da88..1605592 100644
--- a/app.py
+++ b/app.py
@@ -8,7 +8,7 @@ from jinja2 import FileSystemLoader, ChoiceLoader
 
 from shared.infrastructure.factory import create_base_app
 
-from bp import register_all_events, register_calendars, register_markets, register_payments, register_page
+from bp import register_all_events, register_calendars, register_markets, register_payments, register_page, register_fragments
 
 
 async def events_context() -> dict:
@@ -85,6 +85,8 @@ def create_app() -> "Quart":
         url_prefix="/<slug>/payments",
     )
 
+    app.register_blueprint(register_fragments())
+
     # --- Auto-inject slug into url_for() calls ---
     @app.url_value_preprocessor
     def pull_slug(endpoint, values):
diff --git a/bp/__init__.py b/bp/__init__.py
index 3d06c7c..68e3b31 100644
--- a/bp/__init__.py
+++ b/bp/__init__.py
@@ -3,3 +3,4 @@ from .calendars.routes import register as register_calendars
 from .markets.routes import register as register_markets
 from .payments.routes import register as register_payments
 from .page.routes import register as register_page
+from .fragments import register_fragments
diff --git a/bp/fragments/__init__.py b/bp/fragments/__init__.py
new file mode 100644
index 0000000..a4af44b
--- /dev/null
+++ b/bp/fragments/__init__.py
@@ -0,0 +1 @@
+from .routes import register as register_fragments
diff --git a/bp/fragments/routes.py b/bp/fragments/routes.py
new file mode 100644
index 0000000..ef4046e
--- /dev/null
+++ b/bp/fragments/routes.py
@@ -0,0 +1,34 @@
+"""Events app fragment endpoints.
+
+Exposes HTML fragments at ``/internal/fragments/<type>`` for consumption
+by other coop apps via the fragment client.
+"""
+
+from __future__ import annotations
+
+from quart import Blueprint, Response, request
+
+from shared.infrastructure.fragments import FRAGMENT_HEADER
+
+
+def register():
+    bp = Blueprint("fragments", __name__, url_prefix="/internal/fragments")
+
+    _handlers: dict[str, object] = {}
+
+    @bp.before_request
+    async def _require_fragment_header():
+        if not request.headers.get(FRAGMENT_HEADER):
+            return Response("", status=403)
+
+    @bp.get("/<fragment_type>")
+    async def get_fragment(fragment_type: str):
+        handler = _handlers.get(fragment_type)
+        if handler is None:
+            return Response("", status=200, content_type="text/html")
+        html = await handler()
+        return Response(html, status=200, content_type="text/html")
+
+    bp._fragment_handlers = _handlers
+
+    return bp
diff --git a/shared b/shared
index e7d1809..b882770 160000
--- a/shared
+++ b/shared
@@ -1 +1 @@
-Subproject commit e7d180912b0dfc1ed40d70b002cfebde9250026a
+Subproject commit b882770828be7c62bbd047146e03b83511a2397d