Add Red Team CLI command and frontend UI (#39)

* Add Red Team CLI command and frontend UI

Backend additions:
- Add `makima red-team notify` CLI command for red team tasks
- Add RedTeamCommand enum with Notify subcommand
- Add red_team API client module for notify endpoint
- Add RedTeamNotifyArgs with severity, task, file, context options

Frontend additions:
- Add ContractCreateModal with red team toggle and prompt input
- Update ContractDetail with red-team tab for notifications
- Update ContractList with red team enabled badge
- Add TypeScript types for RedTeamNotification and related interfaces

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Add CSS styles for Red Team frontend components

Add comprehensive styling for:
- Contract list and detail containers
- Red team badge styling with gradient backgrounds
- Tab navigation with red team specific styling
- Red team notifications panel with severity indicators
- Contract creation modal form elements
- Task badges for supervisor and red team roles

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Fix missing local_only field in TUI CreateContractRequest

Add the missing local_only field to the CreateContractRequest struct
initialization in the TUI contract creation handler.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* [WIP] Heartbeat checkpoint - 2026-01-27 03:07:28 UTC

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

3 files changed, 363 insertions, 22 deletions

diff --git a/frontend/src/components/ContractCreateModal.tsx b/frontend/src/components/ContractCreateModal.tsx
new file mode 100644
index 0000000..e1d9732
--- /dev/null
+++ b/frontend/src/components/ContractCreateModal.tsx
@@ -0,0 +1,185 @@
+import React, { useState } from 'react'
+
+interface ContractCreateModalProps {
+  isOpen: boolean
+  onClose: () => void
+  onCreated: () => void
+}
+
+interface CreateContractForm {
+  name: string
+  description: string
+  contractType: string
+  redTeamEnabled: boolean
+  redTeamPrompt: string
+}
+
+export function ContractCreateModal({ isOpen, onClose, onCreated }: ContractCreateModalProps) {
+  const [form, setForm] = useState<CreateContractForm>({
+    name: '',
+    description: '',
+    contractType: 'simple',
+    redTeamEnabled: false,
+    redTeamPrompt: '',
+  })
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+
+  if (!isOpen) return null
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault()
+    setLoading(true)
+    setError(null)
+
+    try {
+      const response = await fetch('/api/v1/contracts', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          name: form.name,
+          description: form.description || undefined,
+          contract_type: form.contractType,
+          red_team_enabled: form.redTeamEnabled,
+          red_team_prompt: form.redTeamEnabled && form.redTeamPrompt ? form.redTeamPrompt : undefined,
+        }),
+      })
+
+      if (!response.ok) {
+        const errorData = await response.json().catch(() => ({}))
+        throw new Error(errorData.message || `Failed to create contract: ${response.statusText}`)
+      }
+
+      // Reset form and close modal
+      setForm({
+        name: '',
+        description: '',
+        contractType: 'simple',
+        redTeamEnabled: false,
+        redTeamPrompt: '',
+      })
+      onCreated()
+      onClose()
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Unknown error')
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  return (
+    <div className="modal-overlay" onClick={onClose}>
+      <div className="settings-modal contract-create-modal" onClick={(e) => e.stopPropagation()}>
+        <div className="modal-header">
+          <h2 className="modal-title">Create Contract</h2>
+          <button className="modal-close-btn" onClick={onClose}>
+            ×
+          </button>
+        </div>
+
+        <form onSubmit={handleSubmit}>
+          <div className="modal-content">
+            {error && (
+              <div className="form-error">
+                {error}
+              </div>
+            )}
+
+            <div className="settings-section">
+              <h3>Contract Details</h3>
+
+              <div className="setting-item">
+                <label>
+                  Name
+                  <input
+                    type="text"
+                    value={form.name}
+                    onChange={(e) => setForm({ ...form, name: e.target.value })}
+                    placeholder="Enter contract name"
+                    required
+                    className="form-input"
+                  />
+                </label>
+              </div>
+
+              <div className="setting-item">
+                <label>
+                  Description
+                  <textarea
+                    value={form.description}
+                    onChange={(e) => setForm({ ...form, description: e.target.value })}
+                    placeholder="Enter contract description (optional)"
+                    className="form-textarea"
+                    rows={3}
+                  />
+                </label>
+              </div>
+
+              <div className="setting-item">
+                <label>
+                  Contract Type
+                  <select
+                    value={form.contractType}
+                    onChange={(e) => setForm({ ...form, contractType: e.target.value })}
+                    className="form-select"
+                  >
+                    <option value="simple">Simple</option>
+                    <option value="specification">Specification</option>
+                    <option value="execute">Execute</option>
+                  </select>
+                </label>
+              </div>
+            </div>
+
+            <div className="settings-section">
+              <h3>Red Team Monitoring</h3>
+
+              <div className="setting-item">
+                <label className="checkbox-label">
+                  <input
+                    type="checkbox"
+                    checked={form.redTeamEnabled}
+                    onChange={(e) => setForm({ ...form, redTeamEnabled: e.target.checked })}
+                  />
+                  <span>Enable Red Team monitoring</span>
+                </label>
+                <div className="setting-description">
+                  Spawns a parallel task that monitors work output for quality and compliance
+                </div>
+              </div>
+
+              {form.redTeamEnabled && (
+                <div className="setting-item red-team-prompt-container">
+                  <label>
+                    Custom review criteria (optional)
+                    <textarea
+                      value={form.redTeamPrompt}
+                      onChange={(e) => setForm({ ...form, redTeamPrompt: e.target.value })}
+                      placeholder="Enter custom criteria for the red team to evaluate against... (e.g., 'Ensure all functions have proper error handling', 'Verify security best practices are followed')"
+                      className="form-textarea"
+                      rows={4}
+                    />
+                  </label>
+                  <div className="setting-description">
+                    Provide specific criteria for the red team to focus on during reviews
+                  </div>
+                </div>
+              )}
+            </div>
+          </div>
+
+          <div className="modal-footer">
+            <button type="button" className="modal-btn secondary" onClick={onClose} disabled={loading}>
+              Cancel
+            </button>
+            <button type="submit" className="modal-btn primary" disabled={loading || !form.name.trim()}>
+              {loading ? 'Creating...' : 'Create Contract'}
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  )
+}
diff --git a/frontend/src/components/ContractDetail.tsx b/frontend/src/components/ContractDetail.tsx
index 72527ce..a9dd550 100644
--- a/frontend/src/components/ContractDetail.tsx
+++ b/frontend/src/components/ContractDetail.tsx
@@ -12,6 +12,8 @@ interface TaskSummary {
   id: string
   name: string
   status: string
+  is_supervisor?: boolean
+  is_red_team?: boolean
 }
 
 interface ContractRepository {
@@ -30,6 +32,24 @@ interface Contract {
   status: string
   version: number
   created_at: string
+  red_team_enabled?: boolean
+  red_team_prompt?: string
+}
+
+interface RedTeamNotification {
+  id: string
+  contract_id: string
+  red_team_task_id: string
+  related_task_id?: string
+  message: string
+  severity: 'info' | 'warning' | 'critical'
+  file_path?: string
+  context?: string
+  delivered: boolean
+  delivered_at?: string
+  acknowledged: boolean
+  acknowledged_at?: string
+  created_at: string
 }
 
 interface ContractWithRelations {
@@ -39,7 +59,7 @@ interface ContractWithRelations {
   tasks: TaskSummary[]
 }
 
-type Tab = 'overview' | 'files' | 'tasks' | 'repositories'
+type Tab = 'overview' | 'files' | 'tasks' | 'repositories' | 'red-team'
 
 export function ContractDetail() {
   const { id } = useParams<{ id: string }>()
@@ -47,6 +67,8 @@ export function ContractDetail() {
   const [loading, setLoading] = useState(true)
   const [error, setError] = useState<string | null>(null)
   const [activeTab, setActiveTab] = useState<Tab>('overview')
+  const [notifications, setNotifications] = useState<RedTeamNotification[]>([])
+  const [notificationsLoading, setNotificationsLoading] = useState(false)
 
   useEffect(() => {
     async function fetchContract() {
@@ -70,6 +92,28 @@ export function ContractDetail() {
     fetchContract()
   }, [id])
 
+  // Fetch red team notifications when viewing red-team tab
+  useEffect(() => {
+    async function fetchNotifications() {
+      if (!id || activeTab !== 'red-team' || !data?.contract.red_team_enabled) return
+
+      try {
+        setNotificationsLoading(true)
+        const response = await fetch(`/api/v1/contracts/${id}/red-team/notifications`)
+        if (response.ok) {
+          const notificationData = await response.json()
+          setNotifications(notificationData.notifications || [])
+        }
+      } catch (err) {
+        console.error('Failed to fetch red team notifications:', err)
+      } finally {
+        setNotificationsLoading(false)
+      }
+    }
+
+    fetchNotifications()
+  }, [id, activeTab, data?.contract.red_team_enabled])
+
   if (loading) {
     return (
       <div className="contract-detail-container">
@@ -108,7 +152,14 @@ export function ContractDetail() {
         <Link to="/contracts" className="back-link">
           Back to Contracts
         </Link>
-        <h1 className="contract-title">{contract.name}</h1>
+        <h1 className="contract-title">
+          {contract.name}
+          {contract.red_team_enabled && (
+            <span className="red-team-badge" title="Red Team monitoring enabled">
+              🛡️ Red Team
+            </span>
+          )}
+        </h1>
         {contract.description && (
           <p className="contract-description">{contract.description}</p>
         )}
@@ -144,6 +195,14 @@ export function ContractDetail() {
         >
           Repositories ({repositories.length})
         </button>
+        {contract.red_team_enabled && (
+          <button
+            className={`tab-button red-team-tab ${activeTab === 'red-team' ? 'active' : ''}`}
+            onClick={() => setActiveTab('red-team')}
+          >
+            🛡️ Red Team
+          </button>
+        )}
       </div>
 
       <div className="contract-tab-content">
@@ -194,8 +253,12 @@ export function ContractDetail() {
             ) : (
               <ul className="task-list">
                 {tasks.map((task) => (
-                  <li key={task.id} className="task-item">
-                    <h3>{task.name}</h3>
+                  <li key={task.id} className={`task-item ${task.is_red_team ? 'red-team-task' : ''}`}>
+                    <h3>
+                      {task.is_red_team && <span className="task-badge red-team">🛡️</span>}
+                      {task.is_supervisor && <span className="task-badge supervisor">👔</span>}
+                      {task.name}
+                    </h3>
                     <span className={`task-status status-${task.status}`}>
                       {task.status}
                     </span>
@@ -226,6 +289,74 @@ export function ContractDetail() {
             )}
           </div>
         )}
+
+        {activeTab === 'red-team' && contract.red_team_enabled && (
+          <div className="tab-panel red-team-panel">
+            <h2>🛡️ Red Team Monitoring</h2>
+
+            {contract.red_team_prompt && (
+              <div className="red-team-prompt">
+                <h3>Review Criteria</h3>
+                <p>{contract.red_team_prompt}</p>
+              </div>
+            )}
+
+            <div className="red-team-status">
+              <h3>Red Team Task</h3>
+              {(() => {
+                const redTeamTask = tasks.find(t => t.is_red_team)
+                if (redTeamTask) {
+                  return (
+                    <div className="red-team-task-info">
+                      <span className="task-name">{redTeamTask.name}</span>
+                      <span className={`task-status status-${redTeamTask.status}`}>
+                        {redTeamTask.status}
+                      </span>
+                    </div>
+                  )
+                }
+                return <p className="no-task">Red team task not yet spawned</p>
+              })()}
+            </div>
+
+            <div className="red-team-notifications">
+              <h3>Alerts ({notifications.length})</h3>
+              {notificationsLoading ? (
+                <p>Loading notifications...</p>
+              ) : notifications.length === 0 ? (
+                <p className="no-alerts">No alerts from red team</p>
+              ) : (
+                <ul className="notification-list">
+                  {notifications.map((notification) => (
+                    <li
+                      key={notification.id}
+                      className={`notification-item severity-${notification.severity}`}
+                    >
+                      <div className="notification-header">
+                        <span className={`severity-badge ${notification.severity}`}>
+                          {notification.severity === 'critical' && '🚨'}
+                          {notification.severity === 'warning' && '⚠️'}
+                          {notification.severity === 'info' && 'ℹ️'}
+                          {notification.severity.toUpperCase()}
+                        </span>
+                        <span className="notification-time">
+                          {new Date(notification.created_at).toLocaleString()}
+                        </span>
+                      </div>
+                      <p className="notification-message">{notification.message}</p>
+                      {notification.file_path && (
+                        <span className="notification-file">File: {notification.file_path}</span>
+                      )}
+                      {notification.context && (
+                        <pre className="notification-context">{notification.context}</pre>
+                      )}
+                    </li>
+                  ))}
+                </ul>
+              )}
+            </div>
+          </div>
+        )}
       </div>
     </div>
   )
diff --git a/frontend/src/components/ContractList.tsx b/frontend/src/components/ContractList.tsx
index 77012db..253b44f 100644
--- a/frontend/src/components/ContractList.tsx
+++ b/frontend/src/components/ContractList.tsx
@@ -1,5 +1,6 @@
-import React, { useEffect, useState } from 'react'
+import React, { useEffect, useState, useCallback } from 'react'
 import { Link } from 'react-router-dom'
+import { ContractCreateModal } from './ContractCreateModal'
 
 interface ContractSummary {
   id: string
@@ -12,32 +13,35 @@ interface ContractSummary {
   task_count: number
   repository_count: number
   created_at: string
+  // Red team fields
+  red_team_enabled?: boolean
 }
 
 export function ContractList() {
   const [contracts, setContracts] = useState<ContractSummary[]>([])
   const [loading, setLoading] = useState(true)
   const [error, setError] = useState<string | null>(null)
+  const [showCreateModal, setShowCreateModal] = useState(false)
 
-  useEffect(() => {
-    async function fetchContracts() {
-      try {
-        setLoading(true)
-        const response = await fetch('/api/v1/contracts')
-        if (!response.ok) {
-          throw new Error(`Failed to fetch contracts: ${response.statusText}`)
-        }
-        const data = await response.json()
-        setContracts(data.contracts || [])
-      } catch (err) {
-        setError(err instanceof Error ? err.message : 'Unknown error')
-      } finally {
-        setLoading(false)
+  const fetchContracts = useCallback(async () => {
+    try {
+      setLoading(true)
+      const response = await fetch('/api/v1/contracts')
+      if (!response.ok) {
+        throw new Error(`Failed to fetch contracts: ${response.statusText}`)
       }
+      const data = await response.json()
+      setContracts(data.contracts || [])
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Unknown error')
+    } finally {
+      setLoading(false)
     }
+  }, [])
 
+  useEffect(() => {
     fetchContracts()
-  }, [])
+  }, [fetchContracts])
 
   if (loading) {
     return (
@@ -57,7 +61,15 @@ export function ContractList() {
 
   return (
     <div className="contract-list-container">
-      <h1>Contracts</h1>
+      <div className="contract-list-header">
+        <h1>Contracts</h1>
+        <button
+          className="create-contract-btn"
+          onClick={() => setShowCreateModal(true)}
+        >
+          + New Contract
+        </button>
+      </div>
       {contracts.length === 0 ? (
         <p>No contracts found</p>
       ) : (
@@ -65,7 +77,14 @@ export function ContractList() {
           {contracts.map((contract) => (
             <li key={contract.id} className="contract-item">
               <Link to={`/contracts/${contract.id}`}>
-                <h2>{contract.name}</h2>
+                <h2>
+                  {contract.name}
+                  {contract.red_team_enabled && (
+                    <span className="red-team-badge" title="Red Team monitoring enabled">
+                      🔍
+                    </span>
+                  )}
+                </h2>
                 {contract.description && <p>{contract.description}</p>}
                 <div className="contract-meta">
                   <span>Phase: {contract.phase}</span>
@@ -78,6 +97,12 @@ export function ContractList() {
           ))}
         </ul>
       )}
+
+      <ContractCreateModal
+        isOpen={showCreateModal}
+        onClose={() => setShowCreateModal(false)}
+        onCreated={fetchContracts}
+      />
     </div>
   )
 }