diff --git a/.github/workflows/auto-docs.yml b/.github/workflows/auto-docs.yml
index 2046bc5f6d..e3ef77dedf 100644
--- a/.github/workflows/auto-docs.yml
+++ b/.github/workflows/auto-docs.yml
@@ -25,6 +25,10 @@ concurrency:
 
 jobs:
   call-valtown:
+    # Guard: this workflow forwards merged PR metadata to an external webhook
+    # and only makes sense for the canonical repo. A fork with Actions enabled
+    # would otherwise attempt the same job and fail on missing repo secrets.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ubuntu-latest
     timeout-minutes: 5
 
diff --git a/.github/workflows/bump-openclaw.yml b/.github/workflows/bump-openclaw.yml
index 65f719c8f9..a1f92bc289 100644
--- a/.github/workflows/bump-openclaw.yml
+++ b/.github/workflows/bump-openclaw.yml
@@ -10,6 +10,11 @@ permissions:
 
 jobs:
   check:
+    # Guard: this workflow acts on shared state (the OpenClaw release webhook,
+    # which edits the KiloClaw Dockerfile and opens a bump PR) and only makes
+    # sense for the canonical repo. A fork with Actions enabled would otherwise
+    # attempt the same job and fail on missing repo secrets/vars.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 10
     steps:
diff --git a/.github/workflows/check-md-table-padding.yml b/.github/workflows/check-md-table-padding.yml
index 598ed9c889..9dd7c31001 100644
--- a/.github/workflows/check-md-table-padding.yml
+++ b/.github/workflows/check-md-table-padding.yml
@@ -9,6 +9,11 @@ on:
 jobs:
   check:
     name: Check markdown table padding
+    # Guard: a manual dispatch from a fork would otherwise run this check
+    # against the fork's own files. For pull_request events github.repository is
+    # already the base repo, so the guard is a no-op there and only blocks the
+    # fork-triggerable path.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ubuntu-latest
     permissions:
       contents: read
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index ebb0a840f0..9ac4c9b710 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -15,6 +15,10 @@ permissions:
 jobs:
   analyze:
     name: Analyze (${{ matrix.language }})
+    # Guard: a fork with Actions enabled can trigger this workflow_dispatch,
+    # and CodeQL would run against the fork's own code with the fork's
+    # security-events scope. Only the canonical repo needs this analysis.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 30
     strategy:
diff --git a/.github/workflows/deploy-kiloclaw.yml b/.github/workflows/deploy-kiloclaw.yml
index 75bd385f77..9731cb8981 100644
--- a/.github/workflows/deploy-kiloclaw.yml
+++ b/.github/workflows/deploy-kiloclaw.yml
@@ -25,6 +25,10 @@ permissions:
 
 jobs:
   deploy:
+    # Guard: this workflow_dispatch is reachable from a fork, and it builds and
+    # pushes a container image to Fly and GHCR using repo secrets. Only the
+    # canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 30
     name: Deploy KiloClaw
@@ -266,7 +270,7 @@ jobs:
   # when its content was last built, so we don't pull a large unchanged image.
   attest-sbom:
     needs: deploy
-    if: needs.deploy.outputs.image-built == 'true' && needs.deploy.outputs.image-digest != ''
+    if: needs.deploy.outputs.image-built == 'true' && needs.deploy.outputs.image-digest != '' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 15
     name: Attest image SBOM
@@ -306,6 +310,7 @@ jobs:
   # continue-on-error ensures a dev push failure never blocks prod.
   push-dev-image:
     needs: [deploy]
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 10
     name: Push Dev Image
diff --git a/.github/workflows/deploy-production.yml b/.github/workflows/deploy-production.yml
index 55d45973a2..638341a006 100644
--- a/.github/workflows/deploy-production.yml
+++ b/.github/workflows/deploy-production.yml
@@ -20,13 +20,18 @@ env:
 
 jobs:
   check-changes:
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud'
     uses: ./.github/workflows/check-deployment-changes.yml
     with:
       workflow_file: deploy-production.yml
 
   check-production-db-startup:
     needs: check-changes
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: `schedule` and `workflow_dispatch` are reachable from a fork, so
+    # this is a real fork block. It is applied to every job so the workflow
+    # cannot run outside the canonical repo under any path.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 15
     environment: production
@@ -59,7 +64,8 @@ jobs:
 
   run-migrations:
     needs: check-changes
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 15
     environment: production
@@ -92,7 +98,8 @@ jobs:
 
   stage-app:
     needs: check-changes
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     uses: ./.github/workflows/stage-vercel-deployment.yml
     with:
       target_environment: production
@@ -103,7 +110,8 @@ jobs:
 
   stage-ai-gateway:
     needs: check-changes
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     uses: ./.github/workflows/stage-vercel-deployment.yml
     with:
       target_environment: production
@@ -114,6 +122,7 @@ jobs:
 
   promote-app:
     needs: [stage-app, check-production-db-startup, run-migrations]
+    if: github.repository == 'Kilo-Org/cloud'
     uses: ./.github/workflows/promote-vercel-deployment.yml
     with:
       deployment_url: ${{ needs.stage-app.outputs.deployment_url }}
@@ -124,6 +133,8 @@ jobs:
 
   promote-ai-gateway:
     needs: [stage-ai-gateway, check-production-db-startup, run-migrations]
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud'
     uses: ./.github/workflows/promote-vercel-deployment.yml
     with:
       deployment_url: ${{ needs.stage-ai-gateway.outputs.deployment_url }}
@@ -149,6 +160,7 @@ jobs:
       ]
     if: >-
       ${{
+        github.repository == 'Kilo-Org/cloud' &&
         !cancelled() &&
         needs.check-changes.outputs.should_deploy == 'true' &&
         needs.check-production-db-startup.result == 'success' &&
@@ -168,7 +180,7 @@ jobs:
   # successful worker deploy and releases only when the kilo-mcp bundle changed.
   kilo-mcp-release:
     needs: [check-changes, deploy-workers]
-    if: ${{ !cancelled() && needs.deploy-workers.result == 'success' }}
+    if: ${{ github.repository == 'Kilo-Org/cloud' && !cancelled() && needs.deploy-workers.result == 'success' }}
     # Ceiling for the reusable workflow's GITHUB_TOKEN (a called workflow cannot
     # exceed the caller).
     permissions:
@@ -182,7 +194,8 @@ jobs:
 
   detect-gastown-wasteland-changes:
     needs: check-changes
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 5
     outputs:
@@ -255,6 +268,7 @@ jobs:
       ]
     if: >-
       ${{
+        github.repository == 'Kilo-Org/cloud' &&
         !cancelled() &&
         needs.check-changes.outputs.should_deploy == 'true' &&
         needs.check-production-db-startup.result == 'success' &&
@@ -332,6 +346,7 @@ jobs:
       ]
     if: >-
       ${{
+        github.repository == 'Kilo-Org/cloud' &&
         !cancelled() &&
         needs.check-changes.outputs.should_deploy == 'true' &&
         needs.check-production-db-startup.result == 'success' &&
diff --git a/.github/workflows/deploy-staging.yml b/.github/workflows/deploy-staging.yml
index 0c2de544c7..33c181f040 100644
--- a/.github/workflows/deploy-staging.yml
+++ b/.github/workflows/deploy-staging.yml
@@ -22,7 +22,10 @@ jobs:
 
   check-staging-db-startup:
     needs: check-changes
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: this workflow_dispatch is reachable from a fork, and it deploys
+    # the web app to staging using repo secrets. Only the canonical repo may
+    # run it.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 15
     environment: staging
@@ -55,7 +58,8 @@ jobs:
 
   run-migrations:
     needs: check-changes
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 15
     environment: staging
@@ -88,7 +92,8 @@ jobs:
 
   deploy-app:
     needs: [check-changes, check-staging-db-startup, run-migrations]
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     uses: ./.github/workflows/stage-vercel-deployment.yml
     with:
       target_environment: staging
@@ -99,7 +104,8 @@ jobs:
 
   deploy-ai-gateway:
     needs: [check-changes, check-staging-db-startup, run-migrations]
-    if: needs.check-changes.outputs.should_deploy == 'true'
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud' && needs.check-changes.outputs.should_deploy == 'true'
     uses: ./.github/workflows/stage-vercel-deployment.yml
     with:
       target_environment: staging
@@ -130,6 +136,7 @@ jobs:
       ]
     if: >-
       ${{
+        github.repository == 'Kilo-Org/cloud' &&
         !cancelled() &&
         needs.check-changes.outputs.should_deploy == 'true' &&
         needs.check-staging-db-startup.result == 'success' &&
diff --git a/.github/workflows/deploy-workers.yml b/.github/workflows/deploy-workers.yml
index f284154eb0..21b6786a5e 100644
--- a/.github/workflows/deploy-workers.yml
+++ b/.github/workflows/deploy-workers.yml
@@ -47,7 +47,11 @@ concurrency:
 
 jobs:
   deploy-manual:
-    if: inputs.worker != ''
+    # Guard: this workflow_dispatch is reachable from a fork, and it deploys
+    # Cloudflare Workers using repo secrets. Only the canonical repo may run
+    # it. (Also called as a reusable workflow from deploy-staging.yml, whose
+    # caller job is itself guarded.)
+    if: inputs.worker != '' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: ${{ inputs.worker == 'services/cloud-agent-next' && 75 || inputs.worker == 'services/auto-routing-benchmark' && inputs.target_environment == 'production' && 60 || 25 }}
     name: Deploy ${{ inputs.worker }}
@@ -148,7 +152,8 @@ jobs:
           command: ${{ steps.runtime.outputs.command || (inputs.target_environment == 'production' && 'deploy' || format('deploy --env {0}', inputs.target_environment)) }}
 
   detect-changes:
-    if: inputs.worker == '' && inputs.base_sha != ''
+    # Guard: privileged workflow — only the canonical repo may run it.
+    if: inputs.worker == '' && inputs.base_sha != '' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 5
     outputs:
@@ -314,7 +319,7 @@ jobs:
 
   deploy-changed:
     needs: detect-changes
-    if: needs.detect-changes.outputs.matrix != '[]' && needs.detect-changes.outputs.matrix != ''
+    if: needs.detect-changes.outputs.matrix != '[]' && needs.detect-changes.outputs.matrix != '' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: ${{ matrix.worker == 'services/cloud-agent-next' && 75 || matrix.worker == 'services/auto-routing-benchmark' && inputs.target_environment == 'production' && 60 || 25 }}
     environment: ${{ inputs.target_environment }}
diff --git a/.github/workflows/extension-store-release.yml b/.github/workflows/extension-store-release.yml
index a47cdf3259..251c00bce9 100644
--- a/.github/workflows/extension-store-release.yml
+++ b/.github/workflows/extension-store-release.yml
@@ -18,6 +18,7 @@ permissions:
 
 jobs:
   build-artifacts:
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 30
     env:
@@ -86,8 +87,9 @@ jobs:
   bump-version:
     needs: build-artifacts
     # Only a main dispatch bumps: a branch dispatch would open a PR carrying
-    # unrelated commits.
-    if: github.ref == 'refs/heads/main'
+    # unrelated commits. Also guarded to the canonical repo: a fork dispatch
+    # would otherwise push a bump branch and open a PR against the fork.
+    if: github.ref == 'refs/heads/main' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 10
     permissions:
diff --git a/.github/workflows/kilo-app-release.yml b/.github/workflows/kilo-app-release.yml
index 46c1083f37..9132daa53f 100644
--- a/.github/workflows/kilo-app-release.yml
+++ b/.github/workflows/kilo-app-release.yml
@@ -34,6 +34,11 @@ permissions:
 
 jobs:
   check-changes:
+    # Guard: this workflow_dispatch/schedule is reachable from a fork, and it
+    # submits a mobile build to the App Store / Google Play using repo secrets.
+    # Only the canonical repo may run it. (For push: main, github.repository is
+    # already the canonical repo, so the guard is a no-op there.)
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 5
     permissions:
@@ -153,12 +158,12 @@ jobs:
 
   validate:
     needs: [check-changes]
-    if: needs.check-changes.outputs.should_build == 'true' && needs.check-changes.outputs.allowed == 'true'
+    if: needs.check-changes.outputs.should_build == 'true' && needs.check-changes.outputs.allowed == 'true' && github.repository == 'Kilo-Org/cloud'
     uses: ./.github/workflows/kilo-app-ci.yml
 
   preflight:
     needs: [check-changes]
-    if: needs.check-changes.outputs.should_build == 'true' && github.ref == 'refs/heads/main' && needs.check-changes.outputs.allowed == 'true'
+    if: needs.check-changes.outputs.should_build == 'true' && github.ref == 'refs/heads/main' && needs.check-changes.outputs.allowed == 'true' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 15
     permissions:
@@ -223,7 +228,7 @@ jobs:
 
   build-and-submit:
     needs: [check-changes, validate, preflight]
-    if: needs.check-changes.outputs.should_build == 'true' && github.ref == 'refs/heads/main' && needs.check-changes.outputs.allowed == 'true'
+    if: needs.check-changes.outputs.should_build == 'true' && github.ref == 'refs/heads/main' && needs.check-changes.outputs.allowed == 'true' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 60
     outputs:
@@ -470,7 +475,7 @@ jobs:
   # the section lands, which loses the build's changelog line for ever.
   bump-version:
     needs: [check-changes]
-    if: needs.check-changes.outputs.should_build == 'true' && github.ref == 'refs/heads/main' && needs.check-changes.outputs.allowed == 'true'
+    if: needs.check-changes.outputs.should_build == 'true' && github.ref == 'refs/heads/main' && needs.check-changes.outputs.allowed == 'true' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 10
     permissions:
@@ -556,7 +561,7 @@ jobs:
   # build writes it above its own section.
   changelog:
     needs: [check-changes, bump-version, build-and-submit]
-    if: needs.check-changes.outputs.should_build == 'true' && needs.check-changes.outputs.allowed == 'true' && github.ref == 'refs/heads/main'
+    if: needs.check-changes.outputs.should_build == 'true' && needs.check-changes.outputs.allowed == 'true' && github.ref == 'refs/heads/main' && github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 10
     permissions:
diff --git a/.github/workflows/promote-vercel-deployment.yml b/.github/workflows/promote-vercel-deployment.yml
index 7fa1115ce2..ae8a7da542 100644
--- a/.github/workflows/promote-vercel-deployment.yml
+++ b/.github/workflows/promote-vercel-deployment.yml
@@ -30,6 +30,11 @@ permissions:
 
 jobs:
   promote:
+    # Guard: this reusable workflow promotes a Vercel deployment to production
+    # using repo secrets. It is only ever called by guarded caller jobs, but
+    # the guard is also applied here so the workflow cannot run outside the
+    # canonical repo even if a caller skips its own guard.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 15
     environment: production
diff --git a/.github/workflows/push-dev-kiloclaw.yml b/.github/workflows/push-dev-kiloclaw.yml
index 4e6aec116b..7b5a47868d 100644
--- a/.github/workflows/push-dev-kiloclaw.yml
+++ b/.github/workflows/push-dev-kiloclaw.yml
@@ -9,6 +9,9 @@ permissions:
 
 jobs:
   push-dev:
+    # Guard: this workflow_dispatch builds and pushes a container image to
+    # Fly and GHCR using repo secrets. Only the canonical repo may run it.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 30
     name: Build & Push Dev Image
diff --git a/.github/workflows/redeploy-web.yml b/.github/workflows/redeploy-web.yml
index 99663cf2e7..7ce65c812c 100644
--- a/.github/workflows/redeploy-web.yml
+++ b/.github/workflows/redeploy-web.yml
@@ -12,6 +12,11 @@ concurrency:
 
 jobs:
   verify-main:
+    # Guard: this workflow_dispatch is reachable from a fork, and it deploys
+    # the web app to production using repo secrets. Only the canonical repo
+    # may run it. (verify-main already enforces GITHUB_REF == refs/heads/main,
+    # so the guard is defense-in-depth for the dispatch path.)
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 5
 
@@ -25,6 +30,7 @@ jobs:
 
   stage-app:
     needs: verify-main
+    if: github.repository == 'Kilo-Org/cloud'
     uses: ./.github/workflows/stage-vercel-deployment.yml
     with:
       target_environment: production
@@ -34,6 +40,7 @@ jobs:
 
   promote-app:
     needs: stage-app
+    if: github.repository == 'Kilo-Org/cloud'
     uses: ./.github/workflows/promote-vercel-deployment.yml
     with:
       deployment_url: ${{ needs.stage-app.outputs.deployment_url }}
diff --git a/.github/workflows/sbom.yml b/.github/workflows/sbom.yml
index 84b92eab8d..f78b074520 100644
--- a/.github/workflows/sbom.yml
+++ b/.github/workflows/sbom.yml
@@ -22,6 +22,10 @@ permissions:
 
 jobs:
   source-sbom:
+    # Guard: a fork with Actions enabled can trigger this on schedule or via
+    # workflow_dispatch. Only the canonical repo needs the weekly SBOM
+    # regeneration.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 10
     name: Source dependency SBOM
diff --git a/.github/workflows/setup-smoke.yml b/.github/workflows/setup-smoke.yml
index b75f5bcb46..fd00443594 100644
--- a/.github/workflows/setup-smoke.yml
+++ b/.github/workflows/setup-smoke.yml
@@ -25,6 +25,10 @@ concurrency:
 
 jobs:
   setup-smoke:
+    # Guard: a fork with Actions enabled can trigger this on schedule or via
+    # workflow_dispatch, and it posts issue comments via GITHUB_TOKEN. Only
+    # the canonical repo needs this smoke test.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_LARGE_LABEL || 'ubuntu-24.04-8core' }}
     timeout-minutes: 45
 
diff --git a/.github/workflows/stage-vercel-deployment.yml b/.github/workflows/stage-vercel-deployment.yml
index ebae24863d..ba002fef0b 100644
--- a/.github/workflows/stage-vercel-deployment.yml
+++ b/.github/workflows/stage-vercel-deployment.yml
@@ -30,6 +30,11 @@ permissions:
 
 jobs:
   stage:
+    # Guard: this reusable workflow stages a Vercel deployment using repo
+    # secrets. It is only ever called by guarded caller jobs, but the guard is
+    # also applied here so the workflow cannot run outside the canonical repo
+    # even if a caller skips its own guard.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     timeout-minutes: 30
     environment: ${{ inputs.target_environment }}
diff --git a/.github/workflows/stale-prs.yaml b/.github/workflows/stale-prs.yaml
index 9f4d65f028..d8716edd44 100644
--- a/.github/workflows/stale-prs.yaml
+++ b/.github/workflows/stale-prs.yaml
@@ -6,6 +6,10 @@ on:
 
 jobs:
   stale:
+    # Guard: a fork with Actions enabled can trigger this on schedule, and it
+    # marks/closes PRs and posts comments via GITHUB_TOKEN. Only the
+    # canonical repo needs this automation.
+    if: github.repository == 'Kilo-Org/cloud'
     runs-on: ${{ vars.RUNNER_DEFAULT_LABEL || 'ubuntu-latest' }}
     permissions:
       issues: write