feat: refactor sgclaw around zeroclaw compat runtime

third_party/zeroclaw/tests/component/gemini_capabilities.rs

@@ -0,0 +1,79 @@
+//! Gemini provider capabilities and contract tests.
+//!
+//! Validates that the Gemini provider correctly declares its capabilities
+//! through the public Provider trait, ensuring the agent loop selects the
+//! right tool-calling strategy (prompt-guided, not native).
+
+use zeroclaw::providers::create_provider_with_url;
+use zeroclaw::providers::traits::Provider;
+
+fn gemini_provider() -> Box<dyn Provider> {
+    create_provider_with_url("gemini", Some("test-key"), None)
+        .expect("Gemini provider should resolve with test key")
+}
+
+// ─────────────────────────────────────────────────────────────────────────────
+// Capabilities declaration
+// ─────────────────────────────────────────────────────────────────────────────
+
+#[test]
+fn gemini_reports_no_native_tool_calling() {
+    let provider = gemini_provider();
+    let caps = provider.capabilities();
+    assert!(
+        !caps.native_tool_calling,
+        "Gemini should use prompt-guided tool calling, not native"
+    );
+}
+
+#[test]
+fn gemini_reports_vision_support() {
+    let provider = gemini_provider();
+    let caps = provider.capabilities();
+    assert!(caps.vision, "Gemini should report vision support");
+}
+
+#[test]
+fn gemini_supports_native_tools_returns_false() {
+    let provider = gemini_provider();
+    assert!(
+        !provider.supports_native_tools(),
+        "supports_native_tools() must be false to trigger prompt-guided fallback in chat()"
+    );
+}
+
+#[test]
+fn gemini_supports_vision_returns_true() {
+    let provider = gemini_provider();
+    assert!(provider.supports_vision());
+}
+
+// ─────────────────────────────────────────────────────────────────────────────
+// Tool conversion contract
+// ─────────────────────────────────────────────────────────────────────────────
+
+#[test]
+fn gemini_convert_tools_returns_prompt_guided() {
+    use zeroclaw::providers::traits::ToolsPayload;
+    use zeroclaw::tools::traits::ToolSpec;
+
+    let provider = gemini_provider();
+    let tools = vec![ToolSpec {
+        name: "memory_store".to_string(),
+        description: "Store a value in memory".to_string(),
+        parameters: serde_json::json!({
+            "type": "object",
+            "properties": {
+                "key": {"type": "string"},
+                "value": {"type": "string"}
+            },
+            "required": ["key", "value"]
+        }),
+    }];
+
+    let payload = provider.convert_tools(&tools);
+    assert!(
+        matches!(payload, ToolsPayload::PromptGuided { .. }),
+        "Gemini should return PromptGuided payload since native_tool_calling is false"
+    );
+}