feat(ai-analysis): 添加详情页智能分析入口

apps/web/components/analysis/AnalysisContextDrawer.tsx

@@ -0,0 +1,107 @@
+'use client';
+
+import { type FormEvent, useState } from 'react';
+import type { AnalysisRequest, AnalysisResponse } from '@ftb/shared';
+import { Loader2, Send, X } from 'lucide-react';
+import { requestAnalysis } from '@/lib/analysis-api';
+import { AnalysisResultBlock } from './AnalysisResultBlock';
+
+export function AnalysisContextDrawer({
+  open,
+  title,
+  context,
+  permissions,
+  onClose,
+}: {
+  open: boolean;
+  title: string;
+  context: NonNullable<AnalysisRequest['context']>;
+  permissions: string[];
+  onClose: () => void;
+}) {
+  const [question, setQuestion] = useState('');
+  const [response, setResponse] = useState<AnalysisResponse | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  if (!open) return null;
+
+  async function ask(prompt: string) {
+    const value = prompt.trim();
+    if (!value || loading) return;
+
+    setLoading(true);
+    try {
+      const result = await requestAnalysis({ question: value, context }, permissions);
+      setResponse(result);
+      setQuestion('');
+    } catch {
+      setResponse({
+        ok: false,
+        code: 'AI_UNAVAILABLE',
+        message: '业务分析暂不可用，请稍后再试。',
+      });
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  function submit(event: FormEvent<HTMLFormElement>) {
+    event.preventDefault();
+    void ask(question);
+  }
+
+  return (
+    <div className="fixed inset-0 z-50 flex justify-end bg-black/40">
+      <aside className="flex h-full w-full max-w-2xl flex-col border-l border-white/60 bg-[#f8fafc]/90 shadow-2xl backdrop-blur-xl">
+        <header className="flex h-14 shrink-0 items-center justify-between border-b border-white/70 px-5">
+          <div className="min-w-0">
+            <p className="truncate text-[13px] font-semibold text-[#0f172a]">{title}</p>
+            <p className="mt-0.5 text-[11px] text-[#64748b]">只读取当前上下文和已有权限数据，安全范围以后端为准。</p>
+          </div>
+          <button
+            type="button"
+            onClick={onClose}
+            className="ml-3 rounded-full p-2 text-[#64748b] transition-colors hover:bg-white hover:text-[#0f172a]"
+            title="关闭"
+          >
+            <X className="h-4 w-4" />
+          </button>
+        </header>
+
+        <div className="min-h-0 flex-1 space-y-4 overflow-y-auto p-5">
+          <form
+            onSubmit={submit}
+            className="rounded-[28px] border border-white/70 bg-white/80 p-3 shadow-[0_18px_60px_rgba(15,23,42,0.08)] backdrop-blur-xl"
+          >
+            <textarea
+              value={question}
+              onChange={(event) => setQuestion(event.target.value)}
+              rows={3}
+              className="w-full resize-none bg-transparent px-2 py-2 text-[14px] leading-6 text-[#0f172a] outline-none placeholder:text-[#94a3b8]"
+              placeholder="例如：这个版本风险怎么样？需求完成趋势怎么样？"
+            />
+            <div className="flex items-center justify-between gap-3 px-1">
+              <span className="text-[11px] text-[#64748b]">不会创建、修改业务数据，也不会触发状态流转。</span>
+              <button
+                type="submit"
+                disabled={loading || !question.trim()}
+                className="inline-flex h-8 shrink-0 items-center gap-1.5 rounded-full bg-[#0f172a] px-4 text-[13px] font-medium text-white transition-colors hover:bg-[#1e293b] disabled:cursor-not-allowed disabled:bg-[#cbd5e1]"
+              >
+                {loading ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <Send className="h-3.5 w-3.5" />}
+                {loading ? '分析中' : '开始分析'}
+              </button>
+            </div>
+          </form>
+
+          {response ? (
+            <AnalysisResultBlock response={response} onAsk={(prompt) => void ask(prompt)} />
+          ) : (
+            <div className="rounded-[28px] border border-dashed border-[#dbe3ef] bg-white/55 p-6 text-[13px] leading-7 text-[#64748b]">
+              可以围绕当前页面提问，例如进度、风险、需求分布、成员负载或质量情况。
+            </div>
+          )}
+        </div>
+      </aside>
+    </div>
+  );
+}

apps/web/components/analysis/AnalysisEntryButton.tsx

@@ -0,0 +1,25 @@
+'use client';
+
+import { BarChart3, Sparkles } from 'lucide-react';
+
+export function AnalysisEntryButton({
+  onClick,
+  compact = false,
+}: {
+  onClick: () => void;
+  compact?: boolean;
+}) {
+  const Icon = compact ? BarChart3 : Sparkles;
+
+  return (
+    <button
+      type="button"
+      onClick={onClick}
+      className="inline-flex h-8 items-center gap-1.5 rounded-full border border-[#dbe3ef] bg-white/75 px-3 text-[12px] font-medium text-[#334155] shadow-sm backdrop-blur transition-colors hover:bg-white"
+      title="智能分析"
+    >
+      <Icon className="h-3.5 w-3.5" />
+      智能分析
+    </button>
+  );
+}