Hunter Companion: fix hallucination (strict no-invent rules), better text formatting with spacing

backend/app/services/llm_agent.py

@@ -63,23 +63,26 @@ async def _get_user_tier(db: AsyncSession, user: User) -> str:
 def _build_system_prompt(path: str) -> str:
     tools = tool_catalog_for_prompt(path)
     return (
-        "You are the Pounce Hunter Companion, an expert domain trading assistant. Always respond in English.\n"
-        "You help users with: domain analysis, auction hunting, portfolio management, and trading decisions.\n\n"
-        "RESPONSE FORMAT (CRITICAL):\n"
-        "- Write in plain text. NO markdown asterisks, NO ** or *, NO code blocks.\n"
-        "- Use simple dashes (-) for bullet points.\n"
-        "- Keep responses concise: 2-4 sentences intro, then bullets if needed.\n"
-        "- Never show tool outputs, JSON, or internal data to the user.\n\n"
-        "BEHAVIOR:\n"
-        "- Be helpful, direct, and conversational like a knowledgeable colleague.\n"
-        "- For domain questions: give a clear BUY / CONSIDER / SKIP recommendation with 3-5 reasons.\n"
-        "- Do NOT invent user preferences, keywords, or data. Ask if unclear.\n"
-        "- For greetings: respond naturally and ask how you can help.\n\n"
+        "You are the Pounce Hunter Companion, a domain trading expert. Always respond in English.\n\n"
+        "CRITICAL RULES:\n"
+        "1. NEVER invent or hallucinate data. You do NOT have access to SEMrush, Estibot, GoDaddy sales, or external databases.\n"
+        "2. If you don't have data, say so honestly. Only use data from tools you actually called.\n"
+        "3. Keep responses SHORT: 2-3 sentences max, then bullets if needed.\n"
+        "4. NO markdown: no ** or *, no code blocks, no headers with #.\n"
+        "5. Use dashes (-) for bullet points.\n\n"
+        "WHAT YOU CAN DO:\n"
+        "- Analyze domains using the analyze_domain tool (gives Pounce Score, risk, value estimate)\n"
+        "- Show user's watchlist, portfolio, listings, inbox, yield data\n"
+        "- Search auctions and drops\n"
+        "- Generate brandable names\n\n"
+        "WHAT YOU CANNOT DO:\n"
+        "- Access external sales databases or SEO tools\n"
+        "- Look up real-time WHOIS or DNS (unless via tool)\n"
+        "- Make up sales history or traffic stats\n\n"
         "TOOL USAGE:\n"
-        "- Use tools when user asks about their data (watchlist, portfolio, listings, inbox, yield) or a specific domain.\n"
-        "- To call tools, respond with ONLY: {\"tool_calls\":[{\"name\":\"...\",\"args\":{...}}]}\n"
-        "- After receiving tool results, answer naturally without mentioning tools.\n\n"
-        f"AVAILABLE TOOLS:\n{json.dumps(tools, ensure_ascii=False)}\n"
+        "- To call a tool, respond with ONLY: {\"tool_calls\":[{\"name\":\"...\",\"args\":{...}}]}\n"
+        "- After tool results, summarize briefly without mentioning tools.\n\n"
+        f"TOOLS:\n{json.dumps(tools, ensure_ascii=False)}\n"
     )
 
 
@@ -143,13 +146,8 @@ async def run_agent(
             {
                 "role": "assistant",
                 "content": (
-                    "Hey! How can I help you today?\n\n"
-                    "I can help with:\n"
-                    "- Analyzing a specific domain\n"
-                    "- Finding auction deals or drops\n"
-                    "- Reviewing your portfolio or watchlist\n"
-                    "- Checking your listings and leads\n\n"
-                    "Just tell me what you need."
+                    "Hey! What can I help you with?\n\n"
+                    "Give me a domain to analyze, or ask about your watchlist, portfolio, or current auctions."
                 ),
             }
         )
@@ -206,11 +204,11 @@ async def stream_final_answer(convo: list[dict[str, Any]], *, model: Optional[st
             {
                 "role": "system",
                 "content": (
-                    "Final step: respond to the user in plain text.\n"
-                    "- NO markdown: no ** or * for bold/italic, no code blocks.\n"
-                    "- Use dashes (-) for bullets.\n"
-                    "- Do NOT output JSON or mention tools.\n"
-                    "- Be concise and helpful."
+                    "Respond now. Rules:\n"
+                    "- NEVER invent data. Only use data from tools you called.\n"
+                    "- Keep it SHORT: 2-3 sentences, then bullet points if needed.\n"
+                    "- NO markdown (no ** or *), just plain text with dashes for bullets.\n"
+                    "- Do NOT mention tools or JSON."
                 ),
             }
         ],

frontend/src/components/chat/HunterCompanion.tsx

@@ -98,27 +98,52 @@ function getTier(subscription: any): 'scout' | 'trader' | 'tycoon' {
   return 'scout'
 }
 
-// Simple markdown-like formatting to clean HTML
+// Format message text to clean HTML with proper spacing
 function formatMessage(text: string): string {
   if (!text) return ''
+  
+  // Escape HTML first
   let html = text
-    // Escape HTML
     .replace(/&/g, '&')
     .replace(/</g, '&lt;')
     .replace(/>/g, '&gt;')
-    // Bold: **text** or __text__
-    .replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>')
-    .replace(/__(.+?)__/g, '<strong>$1</strong>')
-    // Italic: *text* or _text_ (but not inside words)
-    .replace(/(?<!\w)\*([^*]+)\*(?!\w)/g, '<em>$1</em>')
-    .replace(/(?<!\w)_([^_]+)_(?!\w)/g, '<em>$1</em>')
-    // Inline code: `code`
-    .replace(/`([^`]+)`/g, '<code class="bg-white/10 px-1 py-0.5 text-accent">$1</code>')
-    // Line breaks
-    .replace(/\n/g, '<br />')
-    // Bullet points: - item or • item
-    .replace(/<br \/>[-•]\s+/g, '<br />• ')
-  return html
+  
+  // Remove markdown formatting (** and * for bold/italic)
+  html = html
+    .replace(/\*\*(.+?)\*\*/g, '$1')
+    .replace(/\*([^*]+)\*/g, '$1')
+    .replace(/__(.+?)__/g, '$1')
+    .replace(/_([^_]+)_/g, '$1')
+  
+  // Split into paragraphs (double newline = paragraph break)
+  const paragraphs = html.split(/\n\n+/)
+  
+  const formatted = paragraphs.map(para => {
+    // Check if this paragraph is a list (starts with - or number.)
+    const lines = para.split('\n')
+    const isList = lines.every(line => {
+      const trimmed = line.trim()
+      return trimmed === '' || trimmed.startsWith('-') || trimmed.startsWith('•') || /^\d+\./.test(trimmed)
+    })
+    
+    if (isList) {
+      // Format as list
+      const items = lines
+        .map(line => line.trim())
+        .filter(line => line)
+        .map(line => {
+          // Remove leading dash, bullet, or number
+          const content = line.replace(/^[-•]\s*/, '').replace(/^\d+\.\s*/, '')
+          return `<div class="flex gap-2 py-0.5"><span class="text-accent/60 shrink-0">•</span><span>${content}</span></div>`
+        })
+      return `<div class="space-y-0.5">${items.join('')}</div>`
+    } else {
+      // Regular paragraph - convert single newlines to line breaks
+      return `<p class="mb-2 last:mb-0">${para.replace(/\n/g, '<br />')}</p>`
+    }
+  })
+  
+  return formatted.join('')
 }
 
 // Suggestion chips based on current page
@@ -514,21 +539,17 @@ export function HunterCompanion() {
         .prose-chat {
           font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
           font-size: 12px;
-          line-height: 1.6;
+          line-height: 1.7;
         }
-        .prose-chat strong {
-          color: rgba(255, 255, 255, 0.95);
-          font-weight: 600;
+        .prose-chat p {
+          margin-bottom: 0.75rem;
         }
-        .prose-chat em {
-          color: rgba(255, 255, 255, 0.7);
-          font-style: italic;
+        .prose-chat p:last-child {
+          margin-bottom: 0;
         }
-        .prose-chat code {
-          background: rgba(255, 255, 255, 0.08);
-          padding: 1px 4px;
-          border-radius: 2px;
-          font-size: 11px;
+        .prose-chat .space-y-0\.5 > div {
+          padding-top: 0.125rem;
+          padding-bottom: 0.125rem;
         }
       `}</style>
     </>