diff --git a/.gitea/workflows/deploy-prod.yaml b/.gitea/workflows/deploy-prod.yaml
new file mode 100644
index 0000000..7514a3c
--- /dev/null
+++ b/.gitea/workflows/deploy-prod.yaml
@@ -0,0 +1,31 @@
+name: deploy-prod
+
+# Placeholder for the production rollout workflow. Today it only proves
+# the manual entry point works; the actual `docker save | ssh prod
+# docker load` + remote `docker compose up -d` pipeline is wired in
+# once the production host, SSH credentials, and DNS are decided.
+
+on:
+  workflow_dispatch:
+    inputs:
+      image_tag:
+        description: "Image tag to deploy (commit-<sha12>, produced by prod-build.yaml)"
+        required: true
+        type: string
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Announce target
+        run: |
+          echo "Would deploy image tag: ${{ inputs.image_tag }}"
+          echo "TODO:"
+          echo "  1. Download galaxy-images-${{ inputs.image_tag }} from prod-build artifacts."
+          echo "  2. scp the .tar.gz bundles to the production host."
+          echo "  3. ssh prod 'docker load -i ...' for backend / gateway / engine."
+          echo "  4. ssh prod 'docker compose -f /opt/galaxy/docker-compose.yml up -d'."
+          echo "  5. Probe https://api.galaxy.com/healthz and roll back on failure."
diff --git a/.gitea/workflows/dev-deploy.yaml b/.gitea/workflows/dev-deploy.yaml
new file mode 100644
index 0000000..91f7dce
--- /dev/null
+++ b/.gitea/workflows/dev-deploy.yaml
@@ -0,0 +1,116 @@
+name: dev-deploy
+
+# Builds the Galaxy stack and (re)deploys it into the long-lived dev
+# environment on the host running this Gitea Actions runner. Triggered
+# on every merge into `development`. Branch protections on `development`
+# guarantee the commit already passed `go-unit`, `ui-test`, and
+# `integration` as part of the PR that produced this push, so this
+# workflow does not re-run those tests — it focuses on packaging and
+# rollout.
+
+on:
+  push:
+    branches:
+      - development
+    paths:
+      - 'backend/**'
+      - 'gateway/**'
+      - 'game/**'
+      - 'pkg/**'
+      - 'ui/**'
+      - 'go.work'
+      - 'go.work.sum'
+      - 'tools/dev-deploy/**'
+      - '.gitea/workflows/dev-deploy.yaml'
+      - '!**/*.md'
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.work
+          cache: true
+
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 11.0.7
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+          cache-dependency-path: ui/pnpm-lock.yaml
+
+      - name: Install UI dependencies
+        working-directory: ui
+        run: pnpm install --frozen-lockfile
+
+      - name: Build UI frontend
+        working-directory: ui/frontend
+        env:
+          VITE_GATEWAY_BASE_URL: https://api.galaxy.lan
+        run: |
+          # The response-signing public key is committed in
+          # `.env.development` alongside its private counterpart in
+          # `tools/local-dev/keys/`. Pull it from there at build time so
+          # the production-mode bundle ships the same key the dev
+          # gateway uses to sign.
+          export VITE_GATEWAY_RESPONSE_PUBLIC_KEY="$(grep -E '^VITE_GATEWAY_RESPONSE_PUBLIC_KEY=' .env.development | cut -d= -f2)"
+          pnpm build
+
+      - name: Build galaxy-engine image
+        working-directory: ${{ gitea.workspace }}
+        run: |
+          docker build \
+            -t galaxy-engine:dev \
+            -f game/Dockerfile \
+            .
+
+      - name: Build backend + gateway images
+        working-directory: tools/dev-deploy
+        run: |
+          docker compose build galaxy-backend galaxy-api
+
+      - name: Seed UI volume
+        run: |
+          docker volume create galaxy-dev-ui-dist >/dev/null
+          docker run --rm \
+            -v galaxy-dev-ui-dist:/dst \
+            -v "${{ gitea.workspace }}/ui/frontend/build:/src:ro" \
+            alpine sh -c 'rm -rf /dst/* /dst/.??* 2>/dev/null; cp -a /src/. /dst/'
+
+      - name: Bring up the stack
+        working-directory: tools/dev-deploy
+        env:
+          GALAXY_DEV_GAME_STATE_DIR: ${{ env.HOME }}/.galaxy-dev/game-state
+        run: |
+          mkdir -p "$GALAXY_DEV_GAME_STATE_DIR"
+          docker compose up -d --wait --remove-orphans
+
+      - name: Probe the stack
+        run: |
+          set -e
+          # Use --resolve so the probe goes through the same routing as
+          # a browser on the host: the host Caddy on :443 (which has
+          # `tls internal`) terminates and forwards into the edge
+          # network. We accept the host's internal CA via -k because
+          # the runner image has no reason to trust it.
+          curl -sk --max-time 10 https://api.galaxy.lan/healthz \
+            | tee /tmp/healthz
+          test -s /tmp/healthz
+          curl -sk --max-time 10 -o /dev/null -w '%{http_code}\n' \
+            https://www.galaxy.lan/ | tee /tmp/www_status
+          grep -qE '^(200|304)$' /tmp/www_status
diff --git a/.gitea/workflows/go-unit.yaml b/.gitea/workflows/go-unit.yaml
new file mode 100644
index 0000000..c33d1dd
--- /dev/null
+++ b/.gitea/workflows/go-unit.yaml
@@ -0,0 +1,78 @@
+name: go-unit
+
+# Fast unit tests for the Go side of the monorepo. Runs on every push
+# and pull request whose path filter matches a Go source directory.
+# The integration suite (testcontainers-driven, slow) lives in
+# `integration.yaml` and only fires for PRs into `development`/`main`
+# and pushes to `development`.
+
+on:
+  push:
+    paths:
+      - 'backend/**'
+      - 'gateway/**'
+      - 'game/**'
+      - 'pkg/**'
+      - 'ui/core/**'
+      - 'go.work'
+      - 'go.work.sum'
+      - '.gitea/workflows/go-unit.yaml'
+      - '!**/*.md'
+  pull_request:
+    paths:
+      - 'backend/**'
+      - 'gateway/**'
+      - 'game/**'
+      - 'pkg/**'
+      - 'ui/core/**'
+      - 'go.work'
+      - 'go.work.sum'
+      - '.gitea/workflows/go-unit.yaml'
+      - '!**/*.md'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.work
+          cache: true
+
+      - name: Run Go tests
+        # client/ is the deprecated Fyne client; excluded from CI per
+        # ui/PLAN.md §74. -count=1 disables Go's test cache so a green
+        # run never depends on a previous runner's cached state. The
+        # backend suite is run with -p 1 because most backend packages
+        # spawn their own Postgres testcontainer, and parallel
+        # Postgres bootstraps starve each other on a constrained
+        # runner. pkg modules are listed one by one because ./pkg/...
+        # does not recurse across the independent go.work modules
+        # under pkg/.
+        run: |
+          go test -count=1 -p 1 ./backend/...
+          go test -count=1 \
+            ./gateway/... \
+            ./game/... \
+            ./ui/core/... \
+            ./pkg/calc/... \
+            ./pkg/connector/... \
+            ./pkg/cronutil/... \
+            ./pkg/error/... \
+            ./pkg/geoip/... \
+            ./pkg/model/... \
+            ./pkg/postgres/... \
+            ./pkg/redisconn/... \
+            ./pkg/schema/... \
+            ./pkg/storage/... \
+            ./pkg/transcoder/... \
+            ./pkg/util/...
diff --git a/.gitea/workflows/integration.yaml b/.gitea/workflows/integration.yaml
new file mode 100644
index 0000000..1f94fa8
--- /dev/null
+++ b/.gitea/workflows/integration.yaml
@@ -0,0 +1,65 @@
+name: integration
+
+# Full integration suite (testcontainers-driven, ~5–10 minutes). Heavy
+# enough that we do not run it on every push to a feature branch — only
+# when there is an open PR aimed at `development`/`main`, or after a
+# merge into `development`. The unit jobs (`go-unit.yaml`,
+# `ui-test.yaml`) keep guarding fast feedback on every push.
+
+on:
+  pull_request:
+    branches:
+      - development
+      - main
+    paths:
+      - 'backend/**'
+      - 'gateway/**'
+      - 'game/**'
+      - 'pkg/**'
+      - 'ui/core/**'
+      - 'integration/**'
+      - 'go.work'
+      - 'go.work.sum'
+      - '.gitea/workflows/integration.yaml'
+      - '!**/*.md'
+  push:
+    branches:
+      - development
+    paths:
+      - 'backend/**'
+      - 'gateway/**'
+      - 'game/**'
+      - 'pkg/**'
+      - 'ui/core/**'
+      - 'integration/**'
+      - 'go.work'
+      - 'go.work.sum'
+      - '.gitea/workflows/integration.yaml'
+      - '!**/*.md'
+
+jobs:
+  integration:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.work
+          cache: true
+
+      - name: Run integration suite
+        # `make integration` precleans leftover docker-compose state and
+        # then runs every test under integration/ serially (-p=1
+        # -parallel=1, 15-minute per-test timeout). Testcontainers
+        # reaches the host's docker daemon via the socket Gitea exposes
+        # to the runner; the workflow inherits the same access the
+        # runner has.
+        run: make -C integration integration
diff --git a/.gitea/workflows/prod-build.yaml b/.gitea/workflows/prod-build.yaml
new file mode 100644
index 0000000..8018625
--- /dev/null
+++ b/.gitea/workflows/prod-build.yaml
@@ -0,0 +1,116 @@
+name: prod-build
+
+# Builds the production-grade Docker images and the UI bundle on every
+# merge into `main`, then saves the artifacts so a future
+# `deploy-prod.yaml` run can ship them to the production host. This
+# workflow does not deploy anything by itself — production rollout is
+# strictly manual (workflow_dispatch on `deploy-prod.yaml`).
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'backend/**'
+      - 'gateway/**'
+      - 'game/**'
+      - 'pkg/**'
+      - 'ui/**'
+      - 'go.work'
+      - 'go.work.sum'
+      - '.gitea/workflows/prod-build.yaml'
+      - '!**/*.md'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.work
+          cache: true
+
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 11.0.7
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+          cache-dependency-path: ui/pnpm-lock.yaml
+
+      - name: Resolve image tag
+        id: tag
+        run: |
+          short_sha=$(git rev-parse --short=12 HEAD)
+          echo "tag=commit-${short_sha}" >>"$GITHUB_OUTPUT"
+
+      - name: Build backend image
+        run: |
+          docker build \
+            -t "galaxy/backend:${{ steps.tag.outputs.tag }}" \
+            -f backend/Dockerfile \
+            .
+
+      - name: Build gateway image
+        run: |
+          docker build \
+            -t "galaxy/gateway:${{ steps.tag.outputs.tag }}" \
+            -f gateway/Dockerfile \
+            .
+
+      - name: Build engine image
+        run: |
+          docker build \
+            -t "galaxy/game-engine:${{ steps.tag.outputs.tag }}" \
+            -f game/Dockerfile \
+            .
+
+      - name: Install UI dependencies
+        working-directory: ui
+        run: pnpm install --frozen-lockfile
+
+      - name: Build UI bundle
+        working-directory: ui/frontend
+        env:
+          VITE_GATEWAY_BASE_URL: https://api.galaxy.com
+        run: |
+          # Production response-signing public key is not in the repo
+          # yet (the dev key in `tools/local-dev/keys/` is for dev
+          # only). When real prod keys exist, source them from a Gitea
+          # Actions secret and set VITE_GATEWAY_RESPONSE_PUBLIC_KEY
+          # here. Until then the prod bundle compiles with the dev
+          # key as a placeholder so the artifact exists.
+          export VITE_GATEWAY_RESPONSE_PUBLIC_KEY="$(grep -E '^VITE_GATEWAY_RESPONSE_PUBLIC_KEY=' .env.development | cut -d= -f2)"
+          pnpm build
+
+      - name: Save images as artifact bundles
+        run: |
+          mkdir -p artifacts
+          docker save "galaxy/backend:${{ steps.tag.outputs.tag }}" \
+            | gzip >"artifacts/backend-${{ steps.tag.outputs.tag }}.tar.gz"
+          docker save "galaxy/gateway:${{ steps.tag.outputs.tag }}" \
+            | gzip >"artifacts/gateway-${{ steps.tag.outputs.tag }}.tar.gz"
+          docker save "galaxy/game-engine:${{ steps.tag.outputs.tag }}" \
+            | gzip >"artifacts/game-engine-${{ steps.tag.outputs.tag }}.tar.gz"
+          tar -C ui/frontend -czf \
+            "artifacts/ui-dist-${{ steps.tag.outputs.tag }}.tar.gz" build
+
+      - name: Upload images
+        uses: actions/upload-artifact@v4
+        with:
+          name: galaxy-images-${{ steps.tag.outputs.tag }}
+          path: artifacts/*.tar.gz
+          retention-days: 30
diff --git a/.gitea/workflows/ui-release.yaml b/.gitea/workflows/ui-release.yaml
deleted file mode 100644
index f772f86..0000000
--- a/.gitea/workflows/ui-release.yaml
+++ /dev/null
@@ -1,148 +0,0 @@
-name: ui-release
-
-# Tier 2 (release) workflow. Runs on tag push.
-#
-# Currently mirrors the Tier 1 step set. Visual regression baseline
-# checks and the macOS-runner iOS smoke job are landed in later phases
-# of ui/PLAN.md and live as commented sections at the end of this file
-# until those phases ship.
-
-on:
-  push:
-    tags:
-      - 'v*'
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        shell: bash
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          submodules: recursive
-
-      - name: Set up Go
-        uses: actions/setup-go@v5
-        with:
-          go-version-file: go.work
-          cache: true
-
-      - name: Run Go tests
-        # client/ is the deprecated Fyne client; excluded from CI per
-        # ui/PLAN.md §74. -count=1 disables Go's test cache so a green
-        # run never depends on a previous runner's cached state. The
-        # backend suite is run with -p 1 because most backend packages
-        # spawn their own Postgres testcontainer, and parallel
-        # Postgres bootstraps starve each other on a constrained
-        # runner. pkg modules are listed one by one because ./pkg/...
-        # does not recurse across the independent go.work modules
-        # under pkg/.
-        run: |
-          go test -count=1 -p 1 ./backend/...
-          go test -count=1 \
-            ./gateway/... \
-            ./game/... \
-            ./ui/core/... \
-            ./pkg/calc/... \
-            ./pkg/connector/... \
-            ./pkg/cronutil/... \
-            ./pkg/error/... \
-            ./pkg/geoip/... \
-            ./pkg/model/... \
-            ./pkg/postgres/... \
-            ./pkg/redisconn/... \
-            ./pkg/schema/... \
-            ./pkg/storage/... \
-            ./pkg/transcoder/... \
-            ./pkg/util/...
-
-      - name: Set up pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          version: 11.0.7
-
-      - name: Set up Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: pnpm
-          cache-dependency-path: ui/pnpm-lock.yaml
-
-      - name: Install npm dependencies
-        working-directory: ui
-        run: pnpm install --frozen-lockfile
-
-      - name: Install Playwright browsers
-        working-directory: ui/frontend
-        run: pnpm exec playwright install --with-deps
-
-      - name: Run Vitest
-        working-directory: ui/frontend
-        run: pnpm test
-
-      - name: Run Playwright
-        working-directory: ui/frontend
-        run: pnpm exec playwright test
-
-      - name: Upload Playwright report on failure
-        if: failure()
-        uses: actions/upload-artifact@v4
-        with:
-          name: playwright-report
-          path: ui/frontend/playwright-report/
-          retention-days: 14
-
-      - name: Upload Playwright traces on failure
-        if: failure()
-        uses: actions/upload-artifact@v4
-        with:
-          name: playwright-traces
-          path: ui/frontend/test-results/
-          retention-days: 14
-
-# visual-regression: enabled in Phase 33 of ui/PLAN.md, once the PWA
-# shell and service worker land and a snapshot baseline is committed
-# under ui/frontend/tests/__snapshots__/.
-#
-#  visual-regression:
-#    runs-on: ubuntu-latest
-#    needs: test
-#    steps:
-#      - uses: actions/checkout@v4
-#      - uses: pnpm/action-setup@v4
-#        with: { version: 11.0.7 }
-#      - uses: actions/setup-node@v4
-#        with:
-#          node-version: 22
-#          cache: pnpm
-#          cache-dependency-path: ui/pnpm-lock.yaml
-#      - working-directory: ui
-#        run: pnpm install --frozen-lockfile
-#      - working-directory: ui/frontend
-#        run: pnpm exec playwright install --with-deps
-#      - working-directory: ui/frontend
-#        run: pnpm exec playwright test --grep @visual
-
-# ios-smoke: enabled in Phase 32 of ui/PLAN.md, once the Capacitor
-# wrapper lands. Runs a Capacitor + Appium smoke against an iOS
-# simulator on a macOS runner.
-#
-#  ios-smoke:
-#    runs-on: macos-13
-#    needs: test
-#    steps:
-#      - uses: actions/checkout@v4
-#      - uses: pnpm/action-setup@v4
-#        with: { version: 11.0.7 }
-#      - uses: actions/setup-node@v4
-#        with:
-#          node-version: 22
-#          cache: pnpm
-#          cache-dependency-path: ui/pnpm-lock.yaml
-#      - working-directory: ui
-#        run: pnpm install --frozen-lockfile
-#      - working-directory: ui/mobile
-#        run: pnpm exec cap sync ios && pnpm exec appium-smoke ios
diff --git a/.gitea/workflows/ui-test.yaml b/.gitea/workflows/ui-test.yaml
index b48dc6d..6c923aa 100644
--- a/.gitea/workflows/ui-test.yaml
+++ b/.gitea/workflows/ui-test.yaml
@@ -1,38 +1,18 @@
 name: ui-test
 
-# Tier 1 (per-PR) workflow. Runs Vitest + Playwright for the UI client and
-# the monorepo Go service tests (everything except the integration suite,
-# which lives behind `make -C integration integration` and needs a Docker
-# daemon set up for testcontainers).
-#
-# The path filter is intentionally broad until a dedicated go-test
-# workflow is introduced; this is the only CI gate today.
+# UI-side unit and end-to-end tests (Vitest + Playwright). The Go side
+# of the workspace is tested in `go-unit.yaml`. Both workflows can run
+# in parallel for a push that touches Go and UI together.
 
 on:
   push:
     paths:
       - 'ui/**'
-      - 'backend/**'
-      - 'gateway/**'
-      - 'game/**'
-      - 'pkg/**'
-      - 'go.work'
-      - 'go.work.sum'
       - '.gitea/workflows/ui-test.yaml'
-      # Skip docs-only commits. Negation removes pure markdown changes;
-      # mixed commits (code + .md) still match a positive pattern above
-      # and trigger the workflow. Image and other binary asset paths
-      # are already outside the positive list.
       - '!**/*.md'
   pull_request:
     paths:
       - 'ui/**'
-      - 'backend/**'
-      - 'gateway/**'
-      - 'game/**'
-      - 'pkg/**'
-      - 'go.work'
-      - 'go.work.sum'
       - '.gitea/workflows/ui-test.yaml'
       - '!**/*.md'
 
@@ -48,41 +28,6 @@ jobs:
         with:
           submodules: recursive
 
-      - name: Set up Go
-        uses: actions/setup-go@v5
-        with:
-          go-version-file: go.work
-          cache: true
-
-      - name: Run Go tests
-        # client/ is the deprecated Fyne client; excluded from CI per
-        # ui/PLAN.md §74. -count=1 disables Go's test cache so a green
-        # run never depends on a previous runner's cached state. The
-        # backend suite is run with -p 1 because most backend packages
-        # spawn their own Postgres testcontainer, and parallel
-        # Postgres bootstraps starve each other on a constrained
-        # runner. pkg modules are listed one by one because ./pkg/...
-        # does not recurse across the independent go.work modules
-        # under pkg/.
-        run: |
-          go test -count=1 -p 1 ./backend/...
-          go test -count=1 \
-            ./gateway/... \
-            ./game/... \
-            ./ui/core/... \
-            ./pkg/calc/... \
-            ./pkg/connector/... \
-            ./pkg/cronutil/... \
-            ./pkg/error/... \
-            ./pkg/geoip/... \
-            ./pkg/model/... \
-            ./pkg/postgres/... \
-            ./pkg/redisconn/... \
-            ./pkg/schema/... \
-            ./pkg/storage/... \
-            ./pkg/transcoder/... \
-            ./pkg/util/...
-
       - name: Set up pnpm
         uses: pnpm/action-setup@v4
         with: