[claude] feat: Nexus — persistent conversational awareness space with live memory (#1208) (#1211)

src/dashboard/app.py

@@ -42,6 +42,7 @@ from dashboard.routes.hermes import router as hermes_router
 from dashboard.routes.loop_qa import router as loop_qa_router
 from dashboard.routes.memory import router as memory_router
 from dashboard.routes.mobile import router as mobile_router
+from dashboard.routes.nexus import router as nexus_router
 from dashboard.routes.models import api_router as models_api_router
 from dashboard.routes.models import router as models_router
 from dashboard.routes.quests import router as quests_router
@@ -652,6 +653,7 @@ app.include_router(tools_router)
 app.include_router(spark_router)
 app.include_router(discord_router)
 app.include_router(memory_router)
+app.include_router(nexus_router)
 app.include_router(grok_router)
 app.include_router(models_router)
 app.include_router(models_api_router)

src/dashboard/routes/nexus.py

@@ -0,0 +1,168 @@
+"""Nexus — Timmy's persistent conversational awareness space.
+
+A conversational-only interface where Timmy maintains live memory context.
+No tool use; pure conversation with memory integration and a teaching panel.
+
+Routes:
+    GET  /nexus              — render nexus page with live memory sidebar
+    POST /nexus/chat         — send a message; returns HTMX partial
+    POST /nexus/teach        — inject a fact into Timmy's live memory
+    DELETE /nexus/history    — clear the nexus conversation history
+"""
+
+import asyncio
+import logging
+from datetime import datetime, timezone
+
+from fastapi import APIRouter, Form, Request
+from fastapi.responses import HTMLResponse
+
+from dashboard.templating import templates
+from timmy.memory_system import (
+    get_memory_stats,
+    recall_personal_facts_with_ids,
+    search_memories,
+    store_personal_fact,
+)
+from timmy.session import _clean_response, chat, reset_session
+
+logger = logging.getLogger(__name__)
+
+router = APIRouter(prefix="/nexus", tags=["nexus"])
+
+_NEXUS_SESSION_ID = "nexus"
+_MAX_MESSAGE_LENGTH = 10_000
+
+# In-memory conversation log for the Nexus session (mirrors chat store pattern
+# but is scoped to the Nexus so it won't pollute the main dashboard history).
+_nexus_log: list[dict] = []
+
+
+def _ts() -> str:
+    return datetime.now(timezone.utc).strftime("%H:%M:%S")
+
+
+def _append_log(role: str, content: str) -> None:
+    _nexus_log.append({"role": role, "content": content, "timestamp": _ts()})
+    # Keep last 200 exchanges to bound memory usage
+    if len(_nexus_log) > 200:
+        del _nexus_log[:-200]
+
+
+@router.get("", response_class=HTMLResponse)
+async def nexus_page(request: Request):
+    """Render the Nexus page with live memory context."""
+    stats = get_memory_stats()
+    facts = recall_personal_facts_with_ids()[:8]
+
+    return templates.TemplateResponse(
+        request,
+        "nexus.html",
+        {
+            "page_title": "Nexus",
+            "messages": list(_nexus_log),
+            "stats": stats,
+            "facts": facts,
+        },
+    )
+
+
+@router.post("/chat", response_class=HTMLResponse)
+async def nexus_chat(request: Request, message: str = Form(...)):
+    """Conversational-only chat routed through the Nexus session.
+
+    Does not invoke tool-use approval flow — pure conversation with memory
+    context injected from Timmy's live memory store.
+    """
+    message = message.strip()
+    if not message:
+        return HTMLResponse("")
+    if len(message) > _MAX_MESSAGE_LENGTH:
+        return templates.TemplateResponse(
+            request,
+            "partials/nexus_message.html",
+            {
+                "user_message": message[:80] + "…",
+                "response": None,
+                "error": "Message too long (max 10 000 chars).",
+                "timestamp": _ts(),
+                "memory_hits": [],
+            },
+        )
+
+    ts = _ts()
+
+    # Fetch semantically relevant memories to surface in the sidebar
+    try:
+        memory_hits = await asyncio.to_thread(
+            search_memories, query=message, limit=4
+        )
+    except Exception as exc:
+        logger.warning("Nexus memory search failed: %s", exc)
+        memory_hits = []
+
+    # Conversational response — no tool approval flow
+    response_text: str | None = None
+    error_text: str | None = None
+    try:
+        raw = await chat(message, session_id=_NEXUS_SESSION_ID)
+        response_text = _clean_response(raw)
+    except Exception as exc:
+        logger.error("Nexus chat error: %s", exc)
+        error_text = "Timmy is unavailable right now. Check that Ollama is running."
+
+    _append_log("user", message)
+    if response_text:
+        _append_log("assistant", response_text)
+
+    return templates.TemplateResponse(
+        request,
+        "partials/nexus_message.html",
+        {
+            "user_message": message,
+            "response": response_text,
+            "error": error_text,
+            "timestamp": ts,
+            "memory_hits": memory_hits,
+        },
+    )
+
+
+@router.post("/teach", response_class=HTMLResponse)
+async def nexus_teach(request: Request, fact: str = Form(...)):
+    """Inject a fact into Timmy's live memory from the Nexus teaching panel."""
+    fact = fact.strip()
+    if not fact:
+        return HTMLResponse("")
+
+    try:
+        await asyncio.to_thread(store_personal_fact, fact)
+        facts = await asyncio.to_thread(recall_personal_facts_with_ids)
+        facts = facts[:8]
+    except Exception as exc:
+        logger.error("Nexus teach error: %s", exc)
+        facts = []
+
+    return templates.TemplateResponse(
+        request,
+        "partials/nexus_facts.html",
+        {"facts": facts, "taught": fact},
+    )
+
+
+@router.delete("/history", response_class=HTMLResponse)
+async def nexus_clear_history(request: Request):
+    """Clear the Nexus conversation history."""
+    _nexus_log.clear()
+    reset_session(session_id=_NEXUS_SESSION_ID)
+    return templates.TemplateResponse(
+        request,
+        "partials/nexus_message.html",
+        {
+            "user_message": None,
+            "response": "Nexus conversation cleared.",
+            "error": None,
+            "timestamp": _ts(),
+            "memory_hits": [],
+        },
+    )

src/dashboard/templates/base.html

@@ -67,6 +67,7 @@
       <div class="mc-nav-dropdown">
         <button class="mc-test-link mc-dropdown-toggle" aria-expanded="false">INTEL &#x25BE;</button>
         <div class="mc-dropdown-menu">
+          <a href="/nexus" class="mc-test-link">NEXUS</a>
           <a href="/spark/ui" class="mc-test-link">SPARK</a>
           <a href="/memory" class="mc-test-link">MEMORY</a>
           <a href="/marketplace/ui" class="mc-test-link">MARKET</a>

src/dashboard/templates/nexus.html

@@ -0,0 +1,122 @@
+{% extends "base.html" %}
+
+{% block title %}Nexus{% endblock %}
+
+{% block extra_styles %}{% endblock %}
+
+{% block content %}
+<div class="container-fluid nexus-layout py-3">
+
+  <div class="nexus-header mb-3">
+    <div class="nexus-title">// NEXUS</div>
+    <div class="nexus-subtitle">
+      Persistent conversational awareness &mdash; always present, always learning.
+    </div>
+  </div>
+
+  <div class="nexus-grid">
+
+    <!-- ── LEFT: Conversation ────────────────────────────────── -->
+    <div class="nexus-chat-col">
+      <div class="card mc-panel nexus-chat-panel">
+        <div class="card-header mc-panel-header d-flex justify-content-between align-items-center">
+          <span>// CONVERSATION</span>
+          <button class="mc-btn mc-btn-sm"
+                  hx-delete="/nexus/history"
+                  hx-target="#nexus-chat-log"
+                  hx-swap="beforeend"
+                  hx-confirm="Clear nexus conversation?">
+            CLEAR
+          </button>
+        </div>
+
+        <div class="card-body p-2" id="nexus-chat-log">
+          {% for msg in messages %}
+          <div class="chat-message {{ 'user' if msg.role == 'user' else 'agent' }}">
+            <div class="msg-meta">
+              {{ 'YOU' if msg.role == 'user' else 'TIMMY' }} // {{ msg.timestamp }}
+            </div>
+            <div class="msg-body {% if msg.role == 'assistant' %}timmy-md{% endif %}">
+              {{ msg.content | e }}
+            </div>
+          </div>
+          {% else %}
+          <div class="nexus-empty-state">
+            Nexus is ready. Start a conversation — memories will surface in real time.
+          </div>
+          {% endfor %}
+        </div>
+
+        <div class="card-footer p-2">
+          <form hx-post="/nexus/chat"
+                hx-target="#nexus-chat-log"
+                hx-swap="beforeend"
+                hx-on::after-request="this.reset(); document.getElementById('nexus-chat-log').scrollTop = 999999;">
+            <div class="d-flex gap-2">
+              <input type="text"
+                     name="message"
+                     id="nexus-input"
+                     class="mc-search-input flex-grow-1"
+                     placeholder="Talk to Timmy..."
+                     autocomplete="off"
+                     required>
+              <button type="submit" class="mc-btn mc-btn-primary">SEND</button>
+            </div>
+          </form>
+        </div>
+      </div>
+    </div>
+
+    <!-- ── RIGHT: Memory sidebar ─────────────────────────────── -->
+    <div class="nexus-sidebar-col">
+
+      <!-- Live memory context (updated with each response) -->
+      <div class="card mc-panel nexus-memory-panel mb-3">
+        <div class="card-header mc-panel-header">
+          <span>// LIVE MEMORY</span>
+          <span class="badge ms-2" style="background:var(--purple-dim); color:var(--purple);">
+            {{ stats.total_entries }} stored
+          </span>
+        </div>
+        <div class="card-body p-2">
+          <div id="nexus-memory-panel" class="nexus-memory-hits">
+            <div class="nexus-memory-label">Relevant memories appear here as you chat.</div>
+          </div>
+        </div>
+      </div>
+
+      <!-- Teaching panel -->
+      <div class="card mc-panel nexus-teach-panel">
+        <div class="card-header mc-panel-header">// TEACH TIMMY</div>
+        <div class="card-body p-2">
+          <form hx-post="/nexus/teach"
+                hx-target="#nexus-teach-response"
+                hx-swap="innerHTML"
+                hx-on::after-request="this.reset()">
+            <div class="d-flex gap-2 mb-2">
+              <input type="text"
+                     name="fact"
+                     class="mc-search-input flex-grow-1"
+                     placeholder="e.g. I prefer dark themes"
+                     required>
+              <button type="submit" class="mc-btn mc-btn-primary">TEACH</button>
+            </div>
+          </form>
+          <div id="nexus-teach-response"></div>
+
+          <div class="nexus-facts-header mt-3">// KNOWN FACTS</div>
+          <ul class="nexus-facts-list" id="nexus-facts-list">
+            {% for fact in facts %}
+            <li class="nexus-fact-item">{{ fact.content | e }}</li>
+            {% else %}
+            <li class="nexus-fact-empty">No personal facts stored yet.</li>
+            {% endfor %}
+          </ul>
+        </div>
+      </div>
+
+    </div><!-- /sidebar -->
+  </div><!-- /nexus-grid -->
+
+</div>
+{% endblock %}

src/dashboard/templates/partials/nexus_facts.html

@@ -0,0 +1,12 @@
+{% if taught %}
+<div class="nexus-taught-confirm">
+  ✓ Taught: <em>{{ taught | e }}</em>
+</div>
+{% endif %}
+<ul class="nexus-facts-list" id="nexus-facts-list" hx-swap-oob="true">
+  {% for fact in facts %}
+  <li class="nexus-fact-item">{{ fact.content | e }}</li>
+  {% else %}
+  <li class="nexus-fact-empty">No facts stored yet.</li>
+  {% endfor %}
+</ul>

src/dashboard/templates/partials/nexus_message.html

@@ -0,0 +1,36 @@
+{% if user_message %}
+<div class="chat-message user">
+  <div class="msg-meta">YOU // {{ timestamp }}</div>
+  <div class="msg-body">{{ user_message | e }}</div>
+</div>
+{% endif %}
+{% if response %}
+<div class="chat-message agent">
+  <div class="msg-meta">TIMMY // {{ timestamp }}</div>
+  <div class="msg-body timmy-md">{{ response | e }}</div>
+</div>
+<script>
+  (function() {
+    var el = document.currentScript.previousElementSibling.querySelector('.timmy-md');
+    if (el && typeof marked !== 'undefined' && typeof DOMPurify !== 'undefined') {
+      el.innerHTML = DOMPurify.sanitize(marked.parse(el.textContent));
+    }
+  })();
+</script>
+{% elif error %}
+<div class="chat-message error-msg">
+  <div class="msg-meta">SYSTEM // {{ timestamp }}</div>
+  <div class="msg-body">{{ error | e }}</div>
+</div>
+{% endif %}
+{% if memory_hits %}
+<div class="nexus-memory-hits" id="nexus-memory-panel" hx-swap-oob="true">
+  <div class="nexus-memory-label">// LIVE MEMORY CONTEXT</div>
+  {% for hit in memory_hits %}
+  <div class="nexus-memory-hit">
+    <span class="nexus-memory-type">{{ hit.memory_type }}</span>
+    <span class="nexus-memory-content">{{ hit.content | e }}</span>
+  </div>
+  {% endfor %}
+</div>
+{% endif %}