7 files changed, 442 insertions, 0 deletions
diff --git a/admin-panel/src/client/components/agent-log.ts b/admin-panel/src/client/components/agent-log.ts
new file mode 100644
index 0000000..5938426
--- /dev/null
+++ b/admin-panel/src/client/components/agent-log.ts
@@ -0,0 +1,2 @@
+// Agent log is inlined in task-modal.ts — this file exists for Phase 3 expansion
+export {};
diff --git a/admin-panel/src/client/components/board.ts b/admin-panel/src/client/components/board.ts
new file mode 100644
index 0000000..b611133
--- /dev/null
+++ b/admin-panel/src/client/components/board.ts
@@ -0,0 +1,123 @@
+import { api, type Task } from '../lib/api.js';
+import { renderTaskCard } from './task-card.js';
+import { showTaskModal } from './task-modal.js';
+
+const COLUMNS = [
+  { id: 'todo', label: 'Req' },
+  { id: 'plan', label: 'Plan' },
+  { id: 'plan_review', label: 'Plan Review' },
+  { id: 'impl', label: 'Impl' },
+  { id: 'impl_review', label: 'Impl Review' },
+  { id: 'test', label: 'Test' },
+  { id: 'done', label: 'Done' },
+];
+
+export function renderBoard(container: HTMLElement, projectName: string, tasks: Task[]): void {
+  const tasksByStatus = new Map<string, Task[]>();
+  for (const col of COLUMNS) {
+    tasksByStatus.set(col.id, []);
+  }
+  for (const task of tasks) {
+    const list = tasksByStatus.get(task.status);
+    if (list) list.push(task);
+    else tasksByStatus.get('todo')!.push(task); // fallback
+  }
+
+  container.innerHTML = `<div class="board-container">${COLUMNS.map(col => {
+    const colTasks = tasksByStatus.get(col.id)!;
+    return `
+      <div class="board-column" data-status="${col.id}">
+        <div class="column-header">
+          <h3>${col.label}</h3>
+          <span class="column-count">${colTasks.length}</span>
+        </div>
+        <div class="column-body" data-status="${col.id}">
+          ${colTasks.map(task => renderTaskCard(task)).join('')}
+        </div>
+      </div>
+    `;
+  }).join('')}</div>`;
+
+  // Setup drag-drop
+  setupDragDrop(container, projectName);
+
+  // Setup card click
+  container.querySelectorAll('.task-card').forEach(card => {
+    card.addEventListener('click', (e) => {
+      // Don't open modal if dragging
+      if ((card as HTMLElement).classList.contains('dragging')) return;
+      const taskId = parseInt((card as HTMLElement).dataset.taskId!);
+      const task = tasks.find(t => t.id === taskId);
+      if (task) showTaskModal(projectName, task);
+    });
+  });
+}
+
+function setupDragDrop(container: HTMLElement, projectName: string): void {
+  const cards = container.querySelectorAll('.task-card');
+  const columnBodies = container.querySelectorAll('.column-body');
+
+  let draggedCard: HTMLElement | null = null;
+
+  cards.forEach(card => {
+    const el = card as HTMLElement;
+    el.draggable = true;
+
+    el.addEventListener('dragstart', (e) => {
+      draggedCard = el;
+      el.classList.add('dragging');
+      (e as DragEvent).dataTransfer!.effectAllowed = 'move';
+      (e as DragEvent).dataTransfer!.setData('text/plain', el.dataset.taskId!);
+    });
+
+    el.addEventListener('dragend', () => {
+      el.classList.remove('dragging');
+      draggedCard = null;
+      columnBodies.forEach(cb => cb.classList.remove('drag-over'));
+    });
+  });
+
+  columnBodies.forEach(body => {
+    body.addEventListener('dragover', (e) => {
+      e.preventDefault();
+      (e as DragEvent).dataTransfer!.dropEffect = 'move';
+      body.classList.add('drag-over');
+    });
+
+    body.addEventListener('dragleave', () => {
+      body.classList.remove('drag-over');
+    });
+
+    body.addEventListener('drop', async (e) => {
+      e.preventDefault();
+      body.classList.remove('drag-over');
+
+      if (!draggedCard) return;
+
+      const taskId = parseInt(draggedCard.dataset.taskId!);
+      const newStatus = (body as HTMLElement).dataset.status!;
+
+      // Calculate rank based on drop position
+      const existingCards = Array.from(body.querySelectorAll('.task-card:not(.dragging)'));
+      let rank: number;
+
+      if (existingCards.length === 0) {
+        rank = 1;
+      } else {
+        // Drop at end by default
+        const lastCard = existingCards[existingCards.length - 1] as HTMLElement;
+        const lastRank = parseFloat(lastCard.dataset.rank || '0');
+        rank = lastRank + 1;
+      }
+
+      // Optimistically move card
+      body.appendChild(draggedCard);
+
+      try {
+        await api.reorderTask(projectName, taskId, rank, newStatus);
+      } catch (err) {
+        console.error('Reorder failed:', err);
+      }
+    });
+  });
+}
diff --git a/admin-panel/src/client/components/diff-viewer.ts b/admin-panel/src/client/components/diff-viewer.ts
new file mode 100644
index 0000000..b746b75
--- /dev/null
+++ b/admin-panel/src/client/components/diff-viewer.ts
@@ -0,0 +1,2 @@
+// Diff viewer is inlined in task-modal.ts — this file exists for Phase 4 expansion
+export {};
diff --git a/admin-panel/src/client/components/pipeline-controls.ts b/admin-panel/src/client/components/pipeline-controls.ts
new file mode 100644
index 0000000..2b3e9a5
--- /dev/null
+++ b/admin-panel/src/client/components/pipeline-controls.ts
@@ -0,0 +1,2 @@
+// Pipeline controls are inlined in task-modal.ts — this file exists for Phase 3 expansion
+export {};
diff --git a/admin-panel/src/client/components/project-form.ts b/admin-panel/src/client/components/project-form.ts
new file mode 100644
index 0000000..d69f194
--- /dev/null
+++ b/admin-panel/src/client/components/project-form.ts
@@ -0,0 +1,2 @@
+// Project form is inlined in dashboard.ts — this file exists for future extraction if needed
+export {};
diff --git a/admin-panel/src/client/components/task-card.ts b/admin-panel/src/client/components/task-card.ts
new file mode 100644
index 0000000..a63e507
--- /dev/null
+++ b/admin-panel/src/client/components/task-card.ts
@@ -0,0 +1,40 @@
+import type { Task } from '../lib/api.js';
+
+export function renderTaskCard(task: Task): string {
+  const tags = parseTags(task.tags);
+  const priorityClass = `badge-${task.priority}`;
+  const isActive = task.current_agent !== null;
+
+  return `
+    <div class="task-card ${isActive ? 'pipeline-active' : ''}"
+         data-task-id="${task.id}"
+         data-rank="${task.rank}"
+         draggable="true">
+      <div class="task-card-header">
+        <span class="task-id">#${task.id}</span>
+        ${task.current_agent ? `<span class="badge badge-agent">${escapeHtml(task.current_agent)}</span>` : ''}
+      </div>
+      <div class="task-title">${escapeHtml(task.title)}</div>
+      <div class="task-meta">
+        <span class="badge ${priorityClass}">${task.priority}</span>
+        <span class="badge badge-level">L${task.level}</span>
+        ${tags.map(t => `<span class="tag">${escapeHtml(t)}</span>`).join('')}
+      </div>
+    </div>
+  `;
+}
+
+function parseTags(tagsStr: string): string[] {
+  try {
+    const parsed = JSON.parse(tagsStr);
+    return Array.isArray(parsed) ? parsed : [];
+  } catch {
+    return [];
+  }
+}
+
+function escapeHtml(text: string): string {
+  const div = document.createElement('div');
+  div.textContent = text;
+  return div.innerHTML;
+}
diff --git a/admin-panel/src/client/components/task-modal.ts b/admin-panel/src/client/components/task-modal.ts
new file mode 100644
index 0000000..725d921
--- /dev/null
+++ b/admin-panel/src/client/components/task-modal.ts
@@ -0,0 +1,271 @@
+import { api, type Task } from '../lib/api.js';
+import { renderMarkdown } from '../lib/markdown.js';
+
+const STATUS_ORDER = ['todo', 'plan', 'plan_review', 'impl', 'impl_review', 'test', 'done'];
+const STATUS_LABELS: Record<string, string> = {
+  todo: 'Req', plan: 'Plan', plan_review: 'Plan Review',
+  impl: 'Impl', impl_review: 'Impl Review', test: 'Test', done: 'Done'
+};
+
+const TABS = ['Requirements', 'Plan', 'Implementation', 'Reviews', 'Tests', 'Agent Log'];
+
+export function showTaskModal(projectName: string, task: Task): void {
+  document.querySelector('.modal-overlay')?.remove();
+
+  const overlay = document.createElement('div');
+  overlay.className = 'modal-overlay';
+  overlay.innerHTML = `
+    <div class="modal task-modal">
+      <div class="modal-header">
+        <div class="top-row">
+          <span class="task-id" style="font-size:14px">#${task.id}</span>
+          <button class="btn-icon close-btn" style="font-size:20px">&times;</button>
+        </div>
+        <h2 style="width:100%">${escapeHtml(task.title)}</h2>
+        <div style="display:flex;gap:8px;align-items:center;flex-wrap:wrap">
+          <span class="badge badge-${task.priority}">${task.priority}</span>
+          <span class="badge badge-level">L${task.level}</span>
+          <span class="badge" style="background:var(--border);color:var(--text-secondary)">
+            ${STATUS_LABELS[task.status] || task.status}
+          </span>
+          ${task.current_agent ? `<span class="badge badge-agent">${escapeHtml(task.current_agent)}</span>` : ''}
+          ${parseTags(task.tags).map(t => `<span class="tag">${escapeHtml(t)}</span>`).join('')}
+        </div>
+      </div>
+
+      ${renderLifecycleBar(task)}
+
+      <div class="tabs" id="task-tabs">
+        ${TABS.map((tab, i) => `
+          <button class="tab ${i === 0 ? 'active' : ''}" data-tab="${i}">${tab}</button>
+        `).join('')}
+      </div>
+
+      <div class="tab-content" id="tab-content">
+        ${renderTabContent(0, task)}
+      </div>
+
+      <div class="modal-footer">
+        <div class="pipeline-controls">
+          <button class="btn btn-primary btn-sm" id="run-pipeline-btn" title="Run full pipeline">Run Pipeline</button>
+          <button class="btn btn-secondary btn-sm" id="step-pipeline-btn" title="Run next step">Step</button>
+          <button class="btn btn-danger btn-sm" id="stop-pipeline-btn" title="Stop pipeline">Stop</button>
+        </div>
+        <div style="flex:1"></div>
+        <button class="btn btn-danger btn-sm" id="delete-task-btn">Delete</button>
+      </div>
+    </div>
+  `;
+
+  document.body.appendChild(overlay);
+
+  // Tab switching
+  overlay.querySelectorAll('.tab').forEach(tab => {
+    tab.addEventListener('click', () => {
+      overlay.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
+      tab.classList.add('active');
+      const tabIdx = parseInt((tab as HTMLElement).dataset.tab!);
+      overlay.querySelector('#tab-content')!.innerHTML = renderTabContent(tabIdx, task);
+    });
+  });
+
+  // Close
+  overlay.querySelectorAll('.close-btn').forEach(btn => {
+    btn.addEventListener('click', () => overlay.remove());
+  });
+  overlay.addEventListener('click', (e) => {
+    if (e.target === overlay) overlay.remove();
+  });
+
+  // Pipeline controls
+  overlay.querySelector('#run-pipeline-btn')?.addEventListener('click', async () => {
+    try {
+      await api.runPipeline(projectName, task.id);
+    } catch (err) {
+      alert((err as Error).message);
+    }
+  });
+
+  overlay.querySelector('#step-pipeline-btn')?.addEventListener('click', async () => {
+    try {
+      await api.stepPipeline(projectName, task.id);
+    } catch (err) {
+      alert((err as Error).message);
+    }
+  });
+
+  overlay.querySelector('#stop-pipeline-btn')?.addEventListener('click', async () => {
+    try {
+      await api.stopPipeline(projectName, task.id);
+    } catch (err) {
+      alert((err as Error).message);
+    }
+  });
+
+  // Delete
+  overlay.querySelector('#delete-task-btn')?.addEventListener('click', async () => {
+    if (!confirm(`Delete task #${task.id}?`)) return;
+    try {
+      await api.deleteTask(projectName, task.id);
+      overlay.remove();
+    } catch (err) {
+      alert((err as Error).message);
+    }
+  });
+}
+
+function renderLifecycleBar(task: Task): string {
+  const currentIdx = STATUS_ORDER.indexOf(task.status);
+  return `
+    <div class="lifecycle-bar">
+      ${STATUS_ORDER.map((s, i) => {
+        let cls = 'lifecycle-step';
+        if (i < currentIdx) cls += ' completed';
+        else if (i === currentIdx) cls += ' current';
+        return `<div class="${cls}" title="${STATUS_LABELS[s]}"></div>`;
+      }).join('')}
+    </div>
+  `;
+}
+
+function renderTabContent(tabIdx: number, task: Task): string {
+  switch (tabIdx) {
+    case 0: // Requirements
+      return `
+        <div style="color:var(--text-secondary);font-size:13px">
+          ${task.description
+            ? `<div>${renderMarkdown(task.description)}</div>`
+            : '<p>No description provided.</p>'
+          }
+          ${task.done_when ? `
+            <h4 style="margin-top:16px;color:var(--text-primary)">Done When</h4>
+            <div>${renderMarkdown(task.done_when)}</div>
+          ` : ''}
+        </div>
+      `;
+
+    case 1: // Plan
+      return `
+        <div style="color:var(--text-secondary);font-size:13px">
+          ${task.plan
+            ? `<div>${renderMarkdown(task.plan)}</div>`
+            : '<p>No plan generated yet. Run the pipeline to create one.</p>'
+          }
+          ${task.decision_log ? `
+            <h4 style="margin-top:16px;color:var(--text-primary)">Decision Log</h4>
+            <div>${renderMarkdown(task.decision_log)}</div>
+          ` : ''}
+        </div>
+      `;
+
+    case 2: // Implementation
+      return `
+        <div style="color:var(--text-secondary);font-size:13px">
+          ${task.implementation_notes
+            ? `<div>${renderMarkdown(task.implementation_notes)}</div>`
+            : '<p>No implementation notes yet.</p>'
+          }
+          ${task.branch_name ? `<p style="margin-top:12px">Branch: <code>${escapeHtml(task.branch_name)}</code></p>` : ''}
+          ${task.diff ? `
+            <h4 style="margin-top:16px;color:var(--text-primary)">Diff</h4>
+            <div class="diff-viewer">${renderDiff(task.diff)}</div>
+          ` : ''}
+        </div>
+      `;
+
+    case 3: // Reviews
+      return `
+        <div style="color:var(--text-secondary);font-size:13px">
+          <h4 style="color:var(--text-primary)">Plan Reviews (${task.plan_review_count})</h4>
+          ${renderJsonArray(task.plan_review_comments, 'No plan reviews yet.')}
+
+          <h4 style="margin-top:16px;color:var(--text-primary)">Code Reviews (${task.impl_review_count})</h4>
+          ${renderJsonArray(task.review_comments, 'No code reviews yet.')}
+
+          ${task.gerrit_change_number ? `
+            <p style="margin-top:16px">Gerrit Change: <a href="/gerrit/${task.gerrit_change_number}" style="color:var(--accent-glow)">#${task.gerrit_change_number}</a></p>
+          ` : ''}
+        </div>
+      `;
+
+    case 4: // Tests
+      return `
+        <div style="color:var(--text-secondary);font-size:13px">
+          ${renderJsonArray(task.test_results, 'No test results yet. Run the pipeline to generate tests.')}
+        </div>
+      `;
+
+    case 5: // Agent Log
+      return `
+        <div class="agent-log">
+          ${renderAgentLog(task.agent_log)}
+        </div>
+      `;
+
+    default:
+      return '';
+  }
+}
+
+function renderDiff(diff: string): string {
+  return diff.split('\n').map(line => {
+    let cls = 'diff-line';
+    if (line.startsWith('+')) cls += ' diff-add';
+    else if (line.startsWith('-')) cls += ' diff-del';
+    else if (line.startsWith('@@')) cls += ' diff-hunk';
+    return `<div class="${cls}">${escapeHtml(line)}</div>`;
+  }).join('');
+}
+
+function renderJsonArray(jsonStr: string, emptyMsg: string): string {
+  try {
+    const items = JSON.parse(jsonStr);
+    if (!Array.isArray(items) || items.length === 0) return `<p>${emptyMsg}</p>`;
+    return items.map((item: unknown) => {
+      if (typeof item === 'string') return `<div class="log-entry"><div class="log-message">${escapeHtml(item)}</div></div>`;
+      if (typeof item === 'object' && item !== null) {
+        const obj = item as Record<string, unknown>;
+        return `<div class="log-entry">
+          ${obj.agent ? `<div class="log-agent">${escapeHtml(String(obj.agent))}</div>` : ''}
+          <div class="log-message">${escapeHtml(String(obj.message || obj.comment || JSON.stringify(obj)))}</div>
+        </div>`;
+      }
+      return '';
+    }).join('');
+  } catch {
+    return `<p>${emptyMsg}</p>`;
+  }
+}
+
+function renderAgentLog(logStr: string): string {
+  try {
+    const entries = JSON.parse(logStr);
+    if (!Array.isArray(entries) || entries.length === 0) {
+      return '<div class="empty-state"><p>No agent activity yet.</p></div>';
+    }
+    return entries.map((entry: Record<string, unknown>) => `
+      <div class="log-entry">
+        <span class="log-time">${entry.timestamp ? new Date(String(entry.timestamp)).toLocaleTimeString() : ''}</span>
+        <span class="log-agent">${escapeHtml(String(entry.agent || ''))}</span>
+        <span class="log-message">${escapeHtml(String(entry.message || ''))}</span>
+      </div>
+    `).join('');
+  } catch {
+    return '<div class="empty-state"><p>No agent activity yet.</p></div>';
+  }
+}
+
+function parseTags(tagsStr: string): string[] {
+  try {
+    const parsed = JSON.parse(tagsStr);
+    return Array.isArray(parsed) ? parsed : [];
+  } catch {
+    return [];
+  }
+}
+
+function escapeHtml(text: string): string {
+  const div = document.createElement('div');
+  div.textContent = text;
+  return div.innerHTML;
+}