feat: inferencing default, automatic tool parsing fallback and wire min_p (#9092)

* feat: wire min_p

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* feat: inferencing defaults

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* chore(refactor): re-use iterative parser

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* chore: generate automatically inference defaults from unsloth

Instead of trying to re-invent the wheel and maintain here the inference
defaults, prefer to consume unsloth ones, and contribute there as
necessary.

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* chore: apply defaults also to models installed via gallery

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* chore: be consistent and apply fallback to all endpoint

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

---------

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

.github/workflows/bump-inference-defaults.yml

@@ -0,0 +1,48 @@
+name: Bump inference defaults
+
+on:
+  schedule:
+    # Run daily at 06:00 UTC
+    - cron: '0 6 * * *'
+  workflow_dispatch: # Allow manual trigger
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  bump:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Re-fetch inference defaults
+        run: make generate-force
+
+      - name: Check for changes
+        id: diff
+        run: |
+          if git diff --quiet core/config/inference_defaults.json; then
+            echo "changed=false" >> "$GITHUB_OUTPUT"
+          else
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Create Pull Request
+        if: steps.diff.outputs.changed == 'true'
+        uses: peter-evans/create-pull-request@v7
+        with:
+          commit-message: "chore: bump inference defaults from unsloth"
+          title: "chore: bump inference defaults from unsloth"
+          body: |
+            Auto-generated update of `core/config/inference_defaults.json` from
+            [unsloth's inference_defaults.json](https://github.com/unslothai/unsloth/blob/main/studio/backend/assets/configs/inference_defaults.json).
+
+            This PR was created automatically by the `bump-inference-defaults` workflow.
+          branch: chore/bump-inference-defaults
+          delete-branch: true
+          labels: automated