refactor: thin GraphQL client, remove chat, surface commands + issue explorer

.github/workflows/_go-checks.yaml

@@ -8,11 +8,6 @@ on:
         required: false
         default: ubuntu-latest
         type: string
-      run-powersync-replay:
-        description: Run PowerSync replay correctness check
-        required: false
-        default: true
-        type: boolean
 
 jobs:
   lint:
@@ -83,37 +78,13 @@ jobs:
           # Regenerate API client from committed schema snapshot.
           (cd internal/boundary/graphql/gen && go run github.com/Khan/genqlient)
 
-          # Regenerate SQLite reflection/sqlc artifacts from embedded schema snapshot.
-          go generate ./internal/sqlite
-
           if [ -n "$(git status --porcelain)" ]; then
             echo "Generated artifacts are out of date. Run generation locally and commit results."
             git status --short
             git diff
             exit 1
           fi
 
-  powersync-replay:
-    runs-on: ${{ inputs.runner }}
-    timeout-minutes: 20
-    permissions:
-      contents: read
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-
-      - name: Setup Hermit
-        uses: cashapp/activate-hermit@e49f5cb4dd64ff0b0b659d1d8df499595451155a # v1
-        with:
-          cache: "true"
-
-      - name: Run PowerSync replay correctness test
-        if: ${{ inputs.run-powersync-replay }}
-        run: task test:correctness:powersync-replay
-
-      - name: Skip PowerSync replay correctness test
-        if: ${{ !inputs.run-powersync-replay }}
-        run: echo "PowerSync replay correctness test disabled for this workflow call"
-
   tagged-compile:
     runs-on: ${{ inputs.runner }}
     timeout-minutes: 15
@@ -137,7 +108,6 @@ jobs:
       - unit
       - integration
       - gen-check
-      - powersync-replay
       - tagged-compile
     runs-on: ubuntu-latest
     timeout-minutes: 1

.github/workflows/nightly.yaml

@@ -12,8 +12,6 @@ concurrency:
 jobs:
   checks:
     uses: ./.github/workflows/_go-checks.yaml
-    with:
-      run-powersync-replay: true
     secrets: inherit
 
   integration-live:

.github/workflows/workflow-lint.yaml

@@ -20,6 +20,6 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Run actionlint
-        uses: reviewdog/action-actionlint@f45e6423f07e6ea6fce879bbdb0d74407c1fbf55 # v1
+        uses: reviewdog/action-actionlint@e0207a28405ecad11953ba625a95d92f7889572a # v1
         with:
           fail_level: any