Fix wizard: use multi-line TOML strings for system_prompt

crates/openfang-api/static/js/pages/agents.js

@@ -420,7 +420,7 @@ function agentsPage() {
       lines.push('', '[model]');
       lines.push('provider = "' + f.provider + '"');
       lines.push('model = "' + f.model + '"');
-      lines.push('system_prompt = "' + f.systemPrompt.replace(/"/g, '\\"') + '"');
+      lines.push('system_prompt = """\n' + f.systemPrompt.replace(/\\/g, '\\\\').replace(/"""/g, '\\"\\"\\"') + '\n"""');
       if (f.profile === 'custom') {
         lines.push('', '[capabilities]');
         if (f.caps.memory_read) lines.push('memory_read = ["*"]');

crates/openfang-types/src/agent.rs

@@ -1169,4 +1169,128 @@ provider = "openai"
         assert_eq!(cfg.model, "gpt-4o");
         assert_eq!(cfg.provider, "openai");
     }
+
+    // ----- Multi-line system_prompt TOML tests (wizard generateToml output) -----
+
+    #[test]
+    fn test_manifest_multiline_system_prompt_toml() {
+        // This is the exact TOML format the dashboard wizard generateToml() now produces
+        let toml_str = r#"
+name = "brand-guardian"
+module = "builtin:chat"
+
+[model]
+provider = "google"
+model = "gemini-3-flash-preview"
+system_prompt = """
+You are Brand Guardian, an expert brand strategist.
+
+Your Core Mission:
+- Develop brand strategy including purpose, vision, mission, values
+- Design complete visual identity systems
+- Establish brand voice and messaging architecture
+
+Critical Rules:
+- Establish comprehensive brand foundation before tactical implementation
+- Ensure all brand elements work as a cohesive system
+"""
+"#;
+        let manifest: AgentManifest = toml::from_str(toml_str).unwrap();
+        assert_eq!(manifest.name, "brand-guardian");
+        assert_eq!(manifest.model.provider, "google");
+        assert_eq!(manifest.model.model, "gemini-3-flash-preview");
+        assert!(manifest.model.system_prompt.contains("Brand Guardian"));
+        assert!(manifest.model.system_prompt.contains("Critical Rules:"));
+        // Verify newlines are preserved
+        assert!(manifest.model.system_prompt.contains('\n'));
+    }
+
+    #[test]
+    fn test_manifest_multiline_system_prompt_with_quotes() {
+        // System prompt containing double quotes (common in persona prompts)
+        let toml_str = r#"
+name = "test-agent"
+
+[model]
+provider = "groq"
+model = "llama-3.3-70b-versatile"
+system_prompt = """
+You are a "helpful" assistant.
+When users say "hello", respond warmly.
+"""
+"#;
+        let manifest: AgentManifest = toml::from_str(toml_str).unwrap();
+        assert!(manifest.model.system_prompt.contains("\"helpful\""));
+        assert!(manifest.model.system_prompt.contains("\"hello\""));
+    }
+
+    #[test]
+    fn test_manifest_multiline_system_prompt_with_code_blocks() {
+        // System prompt containing markdown-style code blocks
+        let toml_str = r#"
+name = "coder"
+
+[model]
+provider = "deepseek"
+model = "deepseek-chat"
+system_prompt = """
+You are a coding assistant.
+
+Example output format:
+```python
+def hello():
+    print("world")
+```
+
+Always use proper indentation.
+"""
+"#;
+        let manifest: AgentManifest = toml::from_str(toml_str).unwrap();
+        assert!(manifest.model.system_prompt.contains("```python"));
+        assert!(manifest.model.system_prompt.contains("def hello()"));
+    }
+
+    #[test]
+    fn test_manifest_single_line_system_prompt_still_works() {
+        // Ensure the old single-line format still parses fine
+        let toml_str = r#"
+name = "simple"
+
+[model]
+provider = "groq"
+model = "llama-3.3-70b-versatile"
+system_prompt = "You are a helpful assistant."
+"#;
+        let manifest: AgentManifest = toml::from_str(toml_str).unwrap();
+        assert_eq!(manifest.model.system_prompt, "You are a helpful assistant.");
+    }
+
+    #[test]
+    fn test_manifest_wizard_custom_profile_with_capabilities() {
+        // Full wizard output when profile=custom with capabilities block
+        let toml_str = r#"
+name = "brand-guardian"
+module = "builtin:chat"
+
+[model]
+provider = "google"
+model = "gemini-3-flash-preview"
+system_prompt = """
+You are Brand Guardian.
+Protect brand consistency across all touchpoints.
+"""
+
+[capabilities]
+memory_read = ["*"]
+memory_write = ["self.*"]
+"#;
+        let manifest: AgentManifest = toml::from_str(toml_str).unwrap();
+        assert_eq!(manifest.name, "brand-guardian");
+        assert!(manifest.model.system_prompt.contains("Brand Guardian"));
+        assert_eq!(manifest.capabilities.memory_read, vec!["*".to_string()]);
+        assert_eq!(
+            manifest.capabilities.memory_write,
+            vec!["self.*".to_string()]
+        );
+    }
 }