chore: sync mirror workflow with rsr-template-repo

Updated checkout to v6.0.2, added per-forge org variables with
three-tier fallback, added all 7 forge targets from template.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: hyperpolymath

.github/workflows/mirror.yml

@@ -14,122 +14,128 @@ jobs:
     runs-on: ubuntu-latest
     if: vars.GITLAB_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
-      - uses: webfactory/ssh-agent@dc588b651fe13675774614f8e6a936a468676387 # v0.9.0
+      - uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
         with:
           ssh-private-key: ${{ secrets.GITLAB_SSH_KEY }}
 
       - name: Mirror to GitLab
         run: |
           ssh-keyscan -t ed25519 gitlab.com >> ~/.ssh/known_hosts
-          git remote add gitlab git@gitlab.com:hyperpolymath/${{ github.event.repository.name }}.git || true
+          git remote add gitlab git@gitlab.com:${{ vars.GITLAB_ORG || vars.MIRROR_ORG || github.repository_owner }}/${{ github.event.repository.name }}.git || true
           git push --force gitlab main
 
   mirror-bitbucket:
     runs-on: ubuntu-latest
     if: vars.BITBUCKET_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
-      - uses: webfactory/ssh-agent@dc588b651fe13675774614f8e6a936a468676387 # v0.9.0
+      - uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
         with:
           ssh-private-key: ${{ secrets.BITBUCKET_SSH_KEY }}
 
       - name: Mirror to Bitbucket
         run: |
           ssh-keyscan -t ed25519 bitbucket.org >> ~/.ssh/known_hosts
-          git remote add bitbucket git@bitbucket.org:hyperpolymath/${{ github.event.repository.name }}.git || true
+          git remote add bitbucket git@bitbucket.org:${{ vars.BITBUCKET_ORG || vars.MIRROR_ORG || github.repository_owner }}/${{ github.event.repository.name }}.git || true
           git push --force bitbucket main
 
   mirror-codeberg:
     runs-on: ubuntu-latest
     if: vars.CODEBERG_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
-      - uses: webfactory/ssh-agent@dc588b651fe13675774614f8e6a936a468676387 # v0.9.0
+      - uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
         with:
           ssh-private-key: ${{ secrets.CODEBERG_SSH_KEY }}
 
       - name: Mirror to Codeberg
         run: |
           ssh-keyscan -t ed25519 codeberg.org >> ~/.ssh/known_hosts
-          git remote add codeberg git@codeberg.org:hyperpolymath/${{ github.event.repository.name }}.git || true
+          git remote add codeberg git@codeberg.org:${{ vars.CODEBERG_ORG || vars.MIRROR_ORG || github.repository_owner }}/${{ github.event.repository.name }}.git || true
           git push --force codeberg main
 
   mirror-sourcehut:
     runs-on: ubuntu-latest
     if: vars.SOURCEHUT_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
-      - uses: webfactory/ssh-agent@dc588b651fe13675774614f8e6a936a468676387 # v0.9.0
+      - uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
         with:
           ssh-private-key: ${{ secrets.SOURCEHUT_SSH_KEY }}
 
       - name: Mirror to SourceHut
         run: |
           ssh-keyscan -t ed25519 git.sr.ht >> ~/.ssh/known_hosts
-          git remote add sourcehut git@git.sr.ht:~hyperpolymath/${{ github.event.repository.name }} || true
+          git remote add sourcehut git@git.sr.ht:~${{ vars.SOURCEHUT_ORG || vars.MIRROR_ORG || github.repository_owner }}/${{ github.event.repository.name }} || true
           git push --force sourcehut main
 
   mirror-disroot:
     runs-on: ubuntu-latest
     if: vars.DISROOT_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
-      - uses: webfactory/ssh-agent@dc588b651fe13675774614f8e6a936a468676387 # v0.9.0
+      - uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
         with:
           ssh-private-key: ${{ secrets.DISROOT_SSH_KEY }}
 
       - name: Mirror to Disroot
         run: |
           ssh-keyscan -t ed25519 git.disroot.org >> ~/.ssh/known_hosts
-          git remote add disroot git@git.disroot.org:hyperpolymath/${{ github.event.repository.name }}.git || true
+          git remote add disroot git@git.disroot.org:${{ vars.DISROOT_ORG || vars.MIRROR_ORG || github.repository_owner }}/${{ github.event.repository.name }}.git || true
           git push --force disroot main
 
   mirror-gitea:
     runs-on: ubuntu-latest
     if: vars.GITEA_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
-      - uses: webfactory/ssh-agent@dc588b651fe13675774614f8e6a936a468676387 # v0.9.0
+      - uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
         with:
           ssh-private-key: ${{ secrets.GITEA_SSH_KEY }}
 
       - name: Mirror to Gitea
         run: |
           ssh-keyscan -t ed25519 ${{ vars.GITEA_HOST }} >> ~/.ssh/known_hosts
-          git remote add gitea git@${{ vars.GITEA_HOST }}:hyperpolymath/${{ github.event.repository.name }}.git || true
+          git remote add gitea git@${{ vars.GITEA_HOST }}:${{ vars.GITEA_ORG || vars.MIRROR_ORG || github.repository_owner }}/${{ github.event.repository.name }}.git || true
           git push --force gitea main
 
   mirror-radicle:
     runs-on: ubuntu-latest
     if: vars.RADICLE_MIRROR_ENABLED == 'true'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@efa25f7f19611383d5b0ccf2d1c8914531636bf9 # stable
+        with:
+          toolchain: stable
+
       - name: Install Radicle
         run: |
-          curl -sSf https://radicle.xyz/install | sh
-          echo "$HOME/.radicle/bin" >> $GITHUB_PATH
+          # Install via cargo (safer than curl|sh)
+          cargo install radicle-cli --locked
+          echo "$HOME/.cargo/bin" >> $GITHUB_PATH
 
       - name: Mirror to Radicle
         run: |