chore(rust): prepare 2.0.0 release

.github/workflows/prompty-rust.yml

@@ -4,45 +4,92 @@ on:
   push:
     tags:
       - 'rust/*'
+  pull_request:
+    types: [closed]
+    paths:
+      - 'runtime/rust/**'
+      - '.github/workflows/prompty-rust.yml'
   workflow_dispatch:
 
 permissions:
   contents: read
 
 jobs:
   test:
+    if: |
+      github.event_name != 'pull_request' ||
+      (github.event.pull_request.merged == true &&
+       contains(github.event.pull_request.labels.*.name, 'release: rust'))
     uses: ./.github/workflows/prompty-rust-check.yml
 
   publish:
     name: publish to crates.io
     runs-on: ubuntu-latest
     needs: test
-    if: startsWith(github.ref, 'refs/tags/rust/')
+    if: |
+      startsWith(github.ref, 'refs/tags/rust/') ||
+      (github.event_name == 'pull_request' &&
+       github.event.pull_request.merged == true &&
+       contains(github.event.pull_request.labels.*.name, 'release: rust'))
     permissions:
-      contents: read
+      contents: write
     defaults:
       run:
         working-directory: runtime/rust
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event.pull_request.merge_commit_sha || github.ref }}
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
 
-      - name: Verify tag matches source version
+      - name: Resolve release version
         run: |
-          TAG_VERSION="${GITHUB_REF_NAME#rust/}"
           SOURCE_VERSION=$(grep '^version' prompty/Cargo.toml | head -1 | sed 's/.*"\(.*\)".*/\1/')
-          echo "tag=$TAG_VERSION source=$SOURCE_VERSION"
-          if [ "$TAG_VERSION" != "$SOURCE_VERSION" ]; then
-            echo "::error::Tag version ($TAG_VERSION) does not match source version ($SOURCE_VERSION). Run the release script to bump versions before tagging."
-            exit 1
+
+          if [[ "$GITHUB_REF" == refs/tags/rust/* ]]; then
+            TAG_VERSION="${GITHUB_REF_NAME#rust/}"
+            echo "tag=$TAG_VERSION source=$SOURCE_VERSION"
+            if [ "$TAG_VERSION" != "$SOURCE_VERSION" ]; then
+              echo "::error::Tag version ($TAG_VERSION) does not match source version ($SOURCE_VERSION). Run the release script to bump versions before tagging."
+              exit 1
+            fi
+          else
+            TAG_VERSION="$SOURCE_VERSION"
+            echo "release-pr-version=$TAG_VERSION"
           fi
+
           echo "VERSION=$TAG_VERSION" >> "$GITHUB_ENV"
+          echo "TAG_NAME=rust/$TAG_VERSION" >> "$GITHUB_ENV"
 
       - name: Verify build
         run: cargo build --workspace
 
+      - name: Verify package contents
+        run: cargo package --workspace --locked
+
+      - name: Create release tag from merged PR
+        if: github.event_name == 'pull_request'
+        working-directory: .
+        run: |
+          if git ls-remote --exit-code --tags origin "refs/tags/$TAG_NAME" >/dev/null 2>&1; then
+            git fetch --depth=1 origin "refs/tags/$TAG_NAME:refs/tags/$TAG_NAME"
+            TAG_SHA=$(git rev-list -n 1 "$TAG_NAME")
+            HEAD_SHA=$(git rev-parse HEAD)
+            if [ "$TAG_SHA" != "$HEAD_SHA" ]; then
+              echo "::error::Tag $TAG_NAME already exists at $TAG_SHA, not current release commit $HEAD_SHA."
+              exit 1
+            fi
+            echo "$TAG_NAME already exists on this commit; continuing."
+          else
+            git config user.name "github-actions[bot]"
+            git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+            git tag -a "$TAG_NAME" -m "$TAG_NAME"
+            git push origin "refs/tags/$TAG_NAME"
+          fi
+
       # Publish in dependency order — each crate must be available before its dependents.
       # publish_crate helper: skips if already published, retries on index lag.
       - name: Publish crates

runtime/go/prompty/model/model_capabilities.json

@@ -45,6 +45,11 @@
         "inputModalities": ["text"],
         "outputModalities": []
       },
+      {
+        "prefix": "gpt-image-1",
+        "inputModalities": ["text", "image"],
+        "outputModalities": ["image"]
+      },
       {
         "prefix": "dall-e-3",
         "inputModalities": ["text"],

runtime/java/prompty/src/main/resources/com/microsoft/prompty/model_capabilities.json

@@ -45,6 +45,11 @@
         "inputModalities": ["text"],
         "outputModalities": []
       },
+      {
+        "prefix": "gpt-image-1",
+        "inputModalities": ["text", "image"],
+        "outputModalities": ["image"]
+      },
       {
         "prefix": "dall-e-3",
         "inputModalities": ["text"],

runtime/python/prompty/prompty/providers/model_capabilities.json

@@ -45,6 +45,11 @@
         "inputModalities": ["text"],
         "outputModalities": []
       },
+      {
+        "prefix": "gpt-image-1",
+        "inputModalities": ["text", "image"],
+        "outputModalities": ["image"]
+      },
       {
         "prefix": "dall-e-3",
         "inputModalities": ["text"],

runtime/rust/.env.example

@@ -2,7 +2,7 @@
 OPENAI_API_KEY=
 OPENAI_MODEL=gpt-4o-mini
 OPENAI_EMBEDDING_MODEL=text-embedding-3-small
-OPENAI_IMAGE_MODEL=dall-e-2
+OPENAI_IMAGE_MODEL=gpt-image-1
 
 # Azure OpenAI / Foundry
 AZURE_OPENAI_API_KEY=