makima: Add an optional memory system for directives (#59)

* feat: makima: Add an optional memory system for directives: Add directive_memories database table and migration

* feat: makima: Add an optional memory system for directives: Update directive skill documentation with memory commands

* feat: makima: Add an optional memory system for directives: Add repository functions for directive memory CRUD

* feat: makima: Add an optional memory system for directives: Add frontend API functions and types for directive memory

* feat: makima: Add an optional memory system for directives: Add Rust models for directive memory

* WIP: heartbeat checkpoint

* WIP: heartbeat checkpoint

* WIP: heartbeat checkpoint

* WIP: heartbeat checkpoint

* feat: makima: Add an optional memory system for directives: Add memory panel to frontend DirectiveDetail component

* Merge remote-tracking branch 'origin/makima/makima--add-an-optional-memory-system-for-directiv-5de1e06d' into combined branch

* Merge remote-tracking branch 'origin/makima/makima--add-an-optional-memory-system-for-directiv-c8298c6c' into combined branch

* feat: makima: Add an optional memory system for directives: Create useMultiTaskSubscription hook for multi-output WebSocket streaming

* feat: makima: Add an optional memory system for directives: Create DirectiveLogStream component for stern-like multi-task output viewing

* feat: makima: Add an optional memory system for directives: Integrate log stream panel into directive detail page

1 files changed, 367 insertions, 0 deletions

diff --git a/makima/frontend/src/components/directives/DirectiveLogStream.tsx b/makima/frontend/src/components/directives/DirectiveLogStream.tsx
new file mode 100644
index 0000000..d457fe3
--- /dev/null
+++ b/makima/frontend/src/components/directives/DirectiveLogStream.tsx
@@ -0,0 +1,367 @@
+import { useRef, useEffect, useState, useCallback } from "react";
+import { SimpleMarkdown } from "../SimpleMarkdown";
+import type { MultiTaskOutputEntry } from "../../hooks/useMultiTaskSubscription";
+
+interface DirectiveLogStreamProps {
+  entries: MultiTaskOutputEntry[];
+  /** Map of taskId -> label for display */
+  taskMap: Map<string, string>;
+  /** Whether the WebSocket is connected */
+  connected: boolean;
+  /** Filter: set of visible task IDs (null = show all) */
+  visibleTaskIds: Set<string> | null;
+  /** Current search query */
+  searchQuery: string;
+  /** Whether the panel is collapsed */
+  isCollapsed: boolean;
+  /** Toggle collapse state */
+  onToggleCollapse: () => void;
+  /** Update visible task filter */
+  onSetVisibleTaskIds: (ids: Set<string> | null) => void;
+  /** Update search query */
+  onSetSearchQuery: (query: string) => void;
+  /** Clear all entries */
+  onClear: () => void;
+}
+
+// Assign stable colors to tasks
+const TASK_COLORS = [
+  "#75aafc", // blue
+  "#4ade80", // green
+  "#f59e0b", // amber
+  "#a78bfa", // violet
+  "#f472b6", // pink
+  "#22d3ee", // cyan
+  "#fb923c", // orange
+  "#34d399", // emerald
+];
+
+function getTaskColor(index: number): string {
+  return TASK_COLORS[index % TASK_COLORS.length];
+}
+
+export function DirectiveLogStream({
+  entries,
+  taskMap,
+  connected,
+  visibleTaskIds,
+  searchQuery,
+  isCollapsed,
+  onToggleCollapse,
+  onSetVisibleTaskIds,
+  onSetSearchQuery,
+  onClear,
+}: DirectiveLogStreamProps) {
+  const containerRef = useRef<HTMLDivElement>(null);
+  const [autoScroll, setAutoScroll] = useState(true);
+  const [showFilters, setShowFilters] = useState(false);
+
+  // Build task color map
+  const taskColorMap = new Map<string, string>();
+  let colorIdx = 0;
+  for (const [taskId] of taskMap) {
+    taskColorMap.set(taskId, getTaskColor(colorIdx++));
+  }
+
+  // Filter entries
+  const filteredEntries = entries.filter((entry) => {
+    // Filter by visible task IDs
+    if (visibleTaskIds && !visibleTaskIds.has(entry.taskId)) return false;
+    // Filter by search query
+    if (searchQuery) {
+      const q = searchQuery.toLowerCase();
+      const matchesContent = entry.content?.toLowerCase().includes(q);
+      const matchesLabel = entry.taskLabel?.toLowerCase().includes(q);
+      const matchesTool = entry.toolName?.toLowerCase().includes(q);
+      if (!matchesContent && !matchesLabel && !matchesTool) return false;
+    }
+    return true;
+  });
+
+  // Handle scroll
+  const handleScroll = useCallback(() => {
+    if (!containerRef.current) return;
+    const { scrollTop, scrollHeight, clientHeight } = containerRef.current;
+    const isAtBottom = scrollHeight - scrollTop - clientHeight < 50;
+    setAutoScroll(isAtBottom);
+  }, []);
+
+  // Auto-scroll when entries change
+  useEffect(() => {
+    if (autoScroll && containerRef.current) {
+      containerRef.current.scrollTop = containerRef.current.scrollHeight;
+    }
+  }, [filteredEntries.length, autoScroll]);
+
+  // Count active (running) tasks
+  const activeTaskCount = Array.from(taskMap.keys()).length;
+
+  if (isCollapsed) {
+    return (
+      <button
+        type="button"
+        onClick={onToggleCollapse}
+        className="flex items-center gap-2 w-full text-left"
+      >
+        <span className="text-[10px] font-mono text-[#9bc3ff] uppercase tracking-wide">
+          Log Stream
+        </span>
+        <span className="text-[10px] font-mono text-[#556677]">
+          [{activeTaskCount} task{activeTaskCount !== 1 ? "s" : ""}]
+        </span>
+        {connected && entries.length > 0 && (
+          <span className="flex items-center gap-1 px-1.5 py-0.5 bg-green-400/10 border border-green-400/20 rounded">
+            <span className="w-1.5 h-1.5 bg-green-400 rounded-full animate-pulse" />
+            <span className="text-[9px] font-mono text-green-400">{entries.length}</span>
+          </span>
+        )}
+        <span className="text-[10px] font-mono text-[#556677] ml-auto">[expand]</span>
+      </button>
+    );
+  }
+
+  return (
+    <div className="flex flex-col" style={{ maxHeight: "400px" }}>
+      {/* Header */}
+      <div className="flex items-center justify-between mb-2">
+        <div className="flex items-center gap-2">
+          <button
+            type="button"
+            onClick={onToggleCollapse}
+            className="text-[10px] font-mono text-[#9bc3ff] uppercase tracking-wide hover:text-white"
+          >
+            Log Stream
+          </button>
+          {connected && (
+            <span className="flex items-center gap-1 px-1.5 py-0.5 bg-green-400/10 border border-green-400/20 rounded">
+              <span className="w-1.5 h-1.5 bg-green-400 rounded-full animate-pulse" />
+              <span className="text-[9px] font-mono text-green-400">Live</span>
+            </span>
+          )}
+          <span className="text-[10px] font-mono text-[#556677]">
+            {filteredEntries.length} entries
+          </span>
+        </div>
+        <div className="flex items-center gap-2">
+          <button
+            type="button"
+            onClick={() => setShowFilters(!showFilters)}
+            className="text-[9px] font-mono text-[#556677] hover:text-[#75aafc]"
+          >
+            [filter]
+          </button>
+          {entries.length > 0 && (
+            <button
+              type="button"
+              onClick={onClear}
+              className="text-[9px] font-mono text-[#556677] hover:text-[#75aafc]"
+            >
+              [clear]
+            </button>
+          )}
+          {!autoScroll && (
+            <button
+              type="button"
+              onClick={() => {
+                setAutoScroll(true);
+                if (containerRef.current) {
+                  containerRef.current.scrollTop = containerRef.current.scrollHeight;
+                }
+              }}
+              className="text-[9px] font-mono text-[#556677] hover:text-[#75aafc]"
+            >
+              [scroll to bottom]
+            </button>
+          )}
+          <button
+            type="button"
+            onClick={onToggleCollapse}
+            className="text-[9px] font-mono text-[#556677] hover:text-[#75aafc]"
+          >
+            [collapse]
+          </button>
+        </div>
+      </div>
+
+      {/* Filters */}
+      {showFilters && (
+        <div className="flex flex-wrap items-center gap-2 mb-2 pb-2 border-b border-[rgba(117,170,252,0.1)]">
+          {/* Search */}
+          <input
+            type="text"
+            value={searchQuery}
+            onChange={(e) => onSetSearchQuery(e.target.value)}
+            placeholder="Search logs..."
+            className="bg-[#0a1628] border border-[rgba(117,170,252,0.2)] rounded px-2 py-0.5 text-[10px] font-mono text-white w-[160px] placeholder-[#556677]"
+          />
+          {/* Task filter buttons */}
+          <button
+            type="button"
+            onClick={() => onSetVisibleTaskIds(null)}
+            className={`text-[9px] font-mono px-1.5 py-0.5 rounded border ${
+              visibleTaskIds === null
+                ? "text-white border-[#75aafc] bg-[rgba(117,170,252,0.15)]"
+                : "text-[#556677] border-[#2a3a5a] hover:text-white"
+            }`}
+          >
+            All
+          </button>
+          {Array.from(taskMap.entries()).map(([taskId, label]) => {
+            const isVisible = visibleTaskIds === null || visibleTaskIds.has(taskId);
+            const color = taskColorMap.get(taskId) || "#75aafc";
+            return (
+              <button
+                key={taskId}
+                type="button"
+                onClick={() => {
+                  if (visibleTaskIds === null) {
+                    // Switch from "all" to just this task
+                    onSetVisibleTaskIds(new Set([taskId]));
+                  } else if (visibleTaskIds.has(taskId)) {
+                    const next = new Set(visibleTaskIds);
+                    next.delete(taskId);
+                    if (next.size === 0) {
+                      onSetVisibleTaskIds(null); // back to all
+                    } else {
+                      onSetVisibleTaskIds(next);
+                    }
+                  } else {
+                    const next = new Set(visibleTaskIds);
+                    next.add(taskId);
+                    if (next.size === taskMap.size) {
+                      onSetVisibleTaskIds(null); // all selected = show all
+                    } else {
+                      onSetVisibleTaskIds(next);
+                    }
+                  }
+                }}
+                className={`text-[9px] font-mono px-1.5 py-0.5 rounded border transition-colors ${
+                  isVisible
+                    ? "border-current bg-[rgba(117,170,252,0.1)]"
+                    : "border-[#2a3a5a] opacity-50 hover:opacity-75"
+                }`}
+                style={{ color: isVisible ? color : "#556677" }}
+              >
+                {label}
+              </button>
+            );
+          })}
+        </div>
+      )}
+
+      {/* Log output */}
+      <div
+        ref={containerRef}
+        onScroll={handleScroll}
+        className="flex-1 overflow-auto bg-[#0a0f18] rounded p-2 font-mono text-xs min-h-0"
+        style={{ minHeight: "120px" }}
+      >
+        {filteredEntries.length === 0 ? (
+          <div className="text-[#555] italic text-[10px]">
+            {entries.length === 0
+              ? connected
+                ? "Waiting for output..."
+                : "No tasks subscribed"
+              : "No entries match filter"}
+          </div>
+        ) : (
+          <div className="space-y-1">
+            {filteredEntries.map((entry, idx) => (
+              <LogEntry
+                key={idx}
+                entry={entry}
+                color={taskColorMap.get(entry.taskId) || "#75aafc"}
+              />
+            ))}
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}
+
+function LogEntry({
+  entry,
+  color,
+}: {
+  entry: MultiTaskOutputEntry;
+  color: string;
+}) {
+  const [expanded, setExpanded] = useState(false);
+
+  // Skip empty content for tool results
+  if (entry.messageType === "tool_result" && !entry.content) return null;
+
+  return (
+    <div className="flex gap-2 items-start py-0.5">
+      {/* Task label */}
+      <span
+        className="text-[9px] shrink-0 font-semibold uppercase tracking-wide w-[80px] truncate text-right"
+        style={{ color }}
+        title={entry.taskLabel}
+      >
+        {entry.taskLabel}
+      </span>
+      <span className="text-[#2a3a5a] shrink-0">|</span>
+
+      {/* Content */}
+      <div className="flex-1 min-w-0">
+        {entry.messageType === "assistant" && (
+          <SimpleMarkdown content={entry.content} className="text-[#9bc3ff] text-[10px]" />
+        )}
+        {entry.messageType === "tool_use" && (
+          <div className="flex items-center gap-1">
+            <span className="text-yellow-500 text-[10px]">*</span>
+            <span className="text-[#75aafc] text-[10px]">{entry.toolName || "unknown"}</span>
+            {entry.toolInput && Object.keys(entry.toolInput).length > 0 && (
+              <button
+                onClick={() => setExpanded(!expanded)}
+                className="text-[#555] hover:text-[#9bc3ff] text-[9px]"
+              >
+                {expanded ? "[-]" : "[+]"}
+              </button>
+            )}
+            {expanded && entry.toolInput && (
+              <pre className="text-[9px] text-[#555] bg-[#0a1525] p-1 overflow-x-auto mt-0.5 block w-full">
+                {JSON.stringify(entry.toolInput, null, 2)}
+              </pre>
+            )}
+          </div>
+        )}
+        {entry.messageType === "tool_result" && (
+          <div className="text-[10px]">
+            <span className={entry.isError ? "text-red-400" : "text-green-500"}>
+              {entry.isError ? "x" : "+"}
+            </span>{" "}
+            <span className="text-[#555]">
+              {entry.content.split("\n")[0]}
+              {entry.content.includes("\n") && "..."}
+            </span>
+          </div>
+        )}
+        {entry.messageType === "result" && (
+          <div className="text-[10px]">
+            <span className="text-green-500 font-semibold">Done</span>
+            {entry.costUsd !== undefined && (
+              <span className="text-[#555] ml-2">${entry.costUsd.toFixed(4)}</span>
+            )}
+            {entry.durationMs !== undefined && (
+              <span className="text-[#555] ml-2">{(entry.durationMs / 1000).toFixed(1)}s</span>
+            )}
+          </div>
+        )}
+        {entry.messageType === "error" && (
+          <span className="text-red-400 text-[10px]">{entry.content}</span>
+        )}
+        {entry.messageType === "system" && (
+          <span className="text-[#555] text-[9px] uppercase">{entry.content}</span>
+        )}
+        {!["assistant", "tool_use", "tool_result", "result", "error", "system"].includes(
+          entry.messageType
+        ) && (
+          <span className="text-[#555] text-[10px]">{entry.content}</span>
+        )}
+      </div>
+    </div>
+  );
+}