ci: Remove Matrix as factory workflow dependency (#5096)

This consolidates Matrix setup for cleaner dependency-tracking.

Author: backspace

.claude/skills/indexing-diagnostics/SKILL.md

@@ -1273,7 +1273,7 @@ WHERE realm_url = '<realm-url>' AND username = '<user-from-artifact>';
 
 Then re-mint with `--permissions read,write,realm-owner` (or whatever the columns are). Booleans translate one-to-one to array entries; column `realm_owner` becomes `realm-owner` (note the dash).
 
-For local dev: matrix `server_name` is `localhost` (`packages/matrix/docker/synapse/dev/homeserver.yaml:1`), so user IDs are `@<username>:localhost`. Two local-dev modes are supported:
+For local dev: matrix `server_name` is `localhost` (`packages/matrix/support/synapse/dev/homeserver.yaml:1`), so user IDs are `@<username>:localhost`. Two local-dev modes are supported:
 
 - **Standard mode** (no `BOXEL_ENVIRONMENT` set) — realm at `https://localhost:4201/...`, host-app at `https://localhost:4200`.
 - **Environment mode** (`BOXEL_ENVIRONMENT=<name>` set) — realm at `http://realm-server.<slug>.localhost/...`, host-app at `http://host.<slug>.localhost` (Traefik routing per `mise-tasks/lib/env-vars.sh`).

.eslintrc.js

@@ -108,7 +108,7 @@ module.exports = {
         'packages/boxel-cli/src/commands/realm/status.ts',
         'packages/boxel-cli/src/commands/realm/sync.ts',
         'packages/boxel-cli/src/lib/realm-sync-base.ts',
-        'packages/matrix/helpers/isolated-realm-server.ts',
+        'packages/matrix/support/isolated-realm-server.ts',
         'packages/postgres/pg-queue.ts',
         'packages/postgres/pg-transaction-manager.ts',
         'packages/realm-server/node-realm.ts',

.github/workflows/ci-software-factory.yaml

@@ -13,7 +13,7 @@ on:
       - "packages/base/**"
       - "packages/boxel-icons/**"
       - "packages/host/**"
-      - "packages/matrix/**"
+      - "packages/matrix/support/**"
       - "packages/postgres/**"
       - "packages/realm-server/**"
       - "packages/realm-test-harness/**"

.github/workflows/sync-synapse-templates.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches: [main]
     paths:
-      - "packages/matrix/docker/synapse/templates/**"
+      - "packages/matrix/support/synapse/templates/**"
   workflow_dispatch:
     inputs:
       environment:
@@ -56,15 +56,15 @@ jobs:
 
       - name: Replace URL in registration success template
         run: |
-          sed -i "s/http:\/\/localhost:4200/https:\/\/${{ env.HOST_DOMAIN }}/" packages/matrix/docker/synapse/templates/registration_success.html
+          sed -i "s/http:\/\/localhost:4200/https:\/\/${{ env.HOST_DOMAIN }}/" packages/matrix/support/synapse/templates/registration_success.html
 
       - name: Replace icon URL with one from matching subdomain
         run: |
-          sed -i "s/d12nxmpmo97fii.cloudfront.net\/boxel-icon.png/${{ env.BOXEL_ICON_DOMAIN_AND_PATH }}/" packages/matrix/docker/synapse/templates/_base.html
+          sed -i "s/d12nxmpmo97fii.cloudfront.net\/boxel-icon.png/${{ env.BOXEL_ICON_DOMAIN_AND_PATH }}/" packages/matrix/support/synapse/templates/_base.html
 
       - name: S3 Sync
         run: |
-          aws s3 sync packages/matrix/docker/synapse/templates s3://${{ env.AWS_S3_BUCKET }}/templates
+          aws s3 sync packages/matrix/support/synapse/templates s3://${{ env.AWS_S3_BUCKET }}/templates
 
       - name: Restart Synapse ECS Service
         run: |

README.md

@@ -436,7 +436,7 @@ This will create a new SQLite schema based on the current postgres DB (the schem
 
 ### Matrix Server
 
-The boxel platform leverages a Matrix server called Synapse in order to support identity, workflow, and chat behaviors. This project uses a dockerized Matrix server. We have multiple matrix server configurations (currently one for development that uses a persistent DB, and one for testing that uses an in-memory DB). You can find and configure these matrix servers at `packages/matrix/docker/synapse/*`.
+The boxel platform leverages a Matrix server called Synapse in order to support identity, workflow, and chat behaviors. This project uses a dockerized Matrix server. We have multiple matrix server configurations (currently one for development that uses a persistent DB, and one for testing that uses an in-memory DB). You can find and configure these matrix servers at `packages/matrix/support/synapse/*`.
 
 This server is automatically started as part of `mise run dev`, but if you wish to control it separately:
 

packages/matrix/docker/smtp4dev.ts

@@ -1,4 +1,9 @@
-import { dockerCreateNetwork, dockerRun, dockerStop, dockerRm } from './index';
+import {
+  dockerCreateNetwork,
+  dockerRun,
+  dockerStop,
+  dockerRm,
+} from '../support/docker';
 
 interface Options {
   mailClientPort?: number;