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按《参赛成果物提交规范·赛道一》§8： - README：新增项目性质：新规声明、项目概述、整体功能说明、效果总结 （431 测试/99.15% 覆盖/双语试运行/影响调查基线）、团队分工、规模与难度自评 - design.md：开发范式流程图（mermaid，6 步与 AI 日志步骤列一致）+ §2.1 Agent 架构图（感知-规划-行动-记忆映射） - _AI_USAGE_LOG.md：回填「待补充」→架构设计、「整体迭代」→反馈迭代 - tests/coverage/ 覆盖率 HTML 报告（99.15%）+ tests/test-execution-log.txt 执行日志 - docs/参赛成果物提交规范-赛道一.md → docs/submission-spec-track1.md（ASCII 化） - pyproject: pytest norecursedirs 排除 test-execution-log.txt 全量 pytest 431 passed / 99.15%
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<p class="run"><span class="n"><a id="t1" href="#t1">1</a></span><span class="t"><span class="key">from</span> <span class="nam">__future__</span> <span class="key">import</span> <span class="nam">annotations</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t2" href="#t2">2</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t3" href="#t3">3</a></span><span class="t"><span class="key">from</span> <span class="nam">typing</span> <span class="key">import</span> <span class="nam">Literal</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t4" href="#t4">4</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t5" href="#t5">5</a></span><span class="t"><span class="com"># 会话级状态集（9 个）：8 个设计态 + cancelled（T3 架构审查整改）</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t6" href="#t6">6</a></span><span class="t"><span class="nam">SessionState</span> <span class="op">=</span> <span class="nam">Literal</span><span class="op">[</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t7" href="#t7">7</a></span><span class="t"> <span class="str">"uploading"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t8" href="#t8">8</a></span><span class="t"> <span class="str">"parsing"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t9" href="#t9">9</a></span><span class="t"> <span class="str">"awaiting_parse_confirm"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t10" href="#t10">10</a></span><span class="t"> <span class="str">"impact_running"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t11" href="#t11">11</a></span><span class="t"> <span class="str">"awaiting_impact_confirm"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t12" href="#t12">12</a></span><span class="t"> <span class="str">"writing"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t13" href="#t13">13</a></span><span class="t"> <span class="str">"qa"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t14" href="#t14">14</a></span><span class="t"> <span class="str">"done"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t15" href="#t15">15</a></span><span class="t"> <span class="str">"cancelled"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t16" href="#t16">16</a></span><span class="t"><span class="op">]</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t17" href="#t17">17</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t18" href="#t18">18</a></span><span class="t"><span class="nam">STATES</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">[</span><span class="nam">str</span><span class="op">]</span> <span class="op">=</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t19" href="#t19">19</a></span><span class="t"> <span class="str">"uploading"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t20" href="#t20">20</a></span><span class="t"> <span class="str">"parsing"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t21" href="#t21">21</a></span><span class="t"> <span class="str">"awaiting_parse_confirm"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t22" href="#t22">22</a></span><span class="t"> <span class="str">"impact_running"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t23" href="#t23">23</a></span><span class="t"> <span class="str">"awaiting_impact_confirm"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t24" href="#t24">24</a></span><span class="t"> <span class="str">"writing"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t25" href="#t25">25</a></span><span class="t"> <span class="str">"qa"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t26" href="#t26">26</a></span><span class="t"> <span class="str">"done"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t27" href="#t27">27</a></span><span class="t"> <span class="str">"cancelled"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t28" href="#t28">28</a></span><span class="t"><span class="op">}</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t29" href="#t29">29</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t30" href="#t30">30</a></span><span class="t"><span class="com"># 合法转移白名单（不含 cancelled 的动态 resume 转移，见 SessionStateMachine.resume）</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t31" href="#t31">31</a></span><span class="t"><span class="nam">_TRANSITIONS</span><span class="op">:</span> <span class="nam">dict</span><span class="op">[</span><span class="nam">str</span><span class="op">,</span> <span class="nam">frozenset</span><span class="op">[</span><span class="nam">str</span><span class="op">]</span><span class="op">]</span> <span class="op">=</span> <span class="op">{</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t32" href="#t32">32</a></span><span class="t"> <span class="str">"uploading"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span><span class="str">"parsing"</span><span class="op">}</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t33" href="#t33">33</a></span><span class="t"> <span class="str">"parsing"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span><span class="str">"awaiting_parse_confirm"</span><span class="op">,</span> <span class="str">"cancelled"</span><span class="op">}</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t34" href="#t34">34</a></span><span class="t"> <span class="str">"awaiting_parse_confirm"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span><span class="str">"impact_running"</span><span class="op">,</span> <span class="str">"parsing"</span><span class="op">,</span> <span class="str">"cancelled"</span><span class="op">}</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t35" href="#t35">35</a></span><span class="t"> <span class="str">"impact_running"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span><span class="str">"awaiting_impact_confirm"</span><span class="op">,</span> <span class="str">"cancelled"</span><span class="op">}</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t36" href="#t36">36</a></span><span class="t"> <span class="str">"awaiting_impact_confirm"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span><span class="str">"writing"</span><span class="op">,</span> <span class="str">"impact_running"</span><span class="op">,</span> <span class="str">"awaiting_parse_confirm"</span><span class="op">,</span> <span class="str">"cancelled"</span><span class="op">}</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t37" href="#t37">37</a></span><span class="t"> <span class="str">"writing"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span><span class="str">"qa"</span><span class="op">,</span> <span class="str">"awaiting_impact_confirm"</span><span class="op">,</span> <span class="str">"cancelled"</span><span class="op">}</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t38" href="#t38">38</a></span><span class="t"> <span class="str">"qa"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span><span class="str">"done"</span><span class="op">,</span> <span class="str">"writing"</span><span class="op">,</span> <span class="str">"cancelled"</span><span class="op">}</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t39" href="#t39">39</a></span><span class="t"> <span class="str">"done"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t40" href="#t40">40</a></span><span class="t"> <span class="str">"cancelled"</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">)</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t41" href="#t41">41</a></span><span class="t"><span class="op">}</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t42" href="#t42">42</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t43" href="#t43">43</a></span><span class="t"><span class="com"># 可被取消的（非终态、非人工等待确认态之外全部执行中；done 不可取消）</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t44" href="#t44">44</a></span><span class="t"><span class="nam">_CANCELLABLE</span><span class="op">:</span> <span class="nam">frozenset</span><span class="op">[</span><span class="nam">str</span><span class="op">]</span> <span class="op">=</span> <span class="nam">frozenset</span><span class="op">(</span><span class="op">{</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t45" href="#t45">45</a></span><span class="t"> <span class="str">"parsing"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t46" href="#t46">46</a></span><span class="t"> <span class="str">"impact_running"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t47" href="#t47">47</a></span><span class="t"> <span class="str">"writing"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t48" href="#t48">48</a></span><span class="t"> <span class="str">"qa"</span><span class="op">,</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t49" href="#t49">49</a></span><span class="t"><span class="op">}</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t50" href="#t50">50</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t51" href="#t51">51</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t52" href="#t52">52</a></span><span class="t"><span class="key">class</span> <span class="nam">StateTransitionError</span><span class="op">(</span><span class="nam">Exception</span><span class="op">)</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t53" href="#t53">53</a></span><span class="t"> <span class="str">"""非法状态转移（对应 api-design §7 STATE_TRANSITION_INVALID 409）。"""</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t54" href="#t54">54</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t55" href="#t55">55</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t56" href="#t56">56</a></span><span class="t"><span class="key">class</span> <span class="nam">SessionStateMachine</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t57" href="#t57">57</a></span><span class="t"> <span class="str">"""会话级流程状态机：白名单转移 + cancelled/resume（T3）。</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t58" href="#t58">58</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t59" href="#t59">59</a></span><span class="t"><span class="str"> 取消（cancel）从任意执行中状态进入 cancelled 终态，并记录中断前状态</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t60" href="#t60">60</a></span><span class="t"><span class="str"> （cancelled_from）；resume 从 cancelled 回到中断前状态，恢复后继续</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t61" href="#t61">61</a></span><span class="t"><span class="str"> 正常白名单流转。人工等待确认态（awaiting_*）与 done 不可取消。</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t62" href="#t62">62</a></span><span class="t"><span class="str"> """</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t63" href="#t63">63</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t64" href="#t64">64</a></span><span class="t"> <span class="key">def</span> <span class="nam">__init__</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">initial</span><span class="op">:</span> <span class="nam">str</span> <span class="op">=</span> <span class="str">"uploading"</span><span class="op">)</span> <span class="op">-></span> <span class="key">None</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t65" href="#t65">65</a></span><span class="t"> <span class="key">if</span> <span class="nam">initial</span> <span class="key">not</span> <span class="key">in</span> <span class="nam">STATES</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t66" href="#t66">66</a></span><span class="t"> <span class="key">raise</span> <span class="nam">StateTransitionError</span><span class="op">(</span><span class="fst">f"</span><span class="fst">未知初始状态: </span><span class="op">{</span><span class="nam">initial</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t67" href="#t67">67</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span><span class="op">:</span> <span class="nam">str</span> <span class="op">=</span> <span class="nam">initial</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t68" href="#t68">68</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_cancelled_from</span><span class="op">:</span> <span class="nam">str</span> <span class="op">|</span> <span class="key">None</span> <span class="op">=</span> <span class="key">None</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t69" href="#t69">69</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t70" href="#t70">70</a></span><span class="t"> <span class="op">@</span><span class="nam">property</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t71" href="#t71">71</a></span><span class="t"> <span class="key">def</span> <span class="nam">state</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span> <span class="op">-></span> <span class="nam">str</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t72" href="#t72">72</a></span><span class="t"> <span class="key">return</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t73" href="#t73">73</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t74" href="#t74">74</a></span><span class="t"> <span class="op">@</span><span class="nam">property</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t75" href="#t75">75</a></span><span class="t"> <span class="key">def</span> <span class="nam">cancelled_from</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span> <span class="op">-></span> <span class="nam">str</span> <span class="op">|</span> <span class="key">None</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t76" href="#t76">76</a></span><span class="t"> <span class="str">"""取消前的中断状态（resume 目标）；仅 cancelled 态非 None。"""</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t77" href="#t77">77</a></span><span class="t"> <span class="key">return</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_cancelled_from</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t78" href="#t78">78</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t79" href="#t79">79</a></span><span class="t"> <span class="key">def</span> <span class="nam">transition</span><span class="op">(</span><span class="nam">self</span><span class="op">,</span> <span class="nam">target</span><span class="op">:</span> <span class="nam">str</span><span class="op">)</span> <span class="op">-></span> <span class="nam">str</span><span class="op">:</span> </span><span class="r"></span></p>
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<p class="pln"><span class="n"><a id="t80" href="#t80">80</a></span><span class="t"> <span class="str">"""按白名单推进状态机；非法转移抛 StateTransitionError。"""</span> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t81" href="#t81">81</a></span><span class="t"> <span class="key">if</span> <span class="nam">target</span> <span class="key">not</span> <span class="key">in</span> <span class="nam">STATES</span><span class="op">:</span> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t82" href="#t82">82</a></span><span class="t"> <span class="key">raise</span> <span class="nam">StateTransitionError</span><span class="op">(</span><span class="fst">f"</span><span class="fst">未知目标状态: </span><span class="op">{</span><span class="nam">target</span><span class="op">}</span><span class="fst">"</span><span class="op">)</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t83" href="#t83">83</a></span><span class="t"> <span class="nam">allowed</span> <span class="op">=</span> <span class="nam">_TRANSITIONS</span><span class="op">[</span><span class="nam">self</span><span class="op">.</span><span class="nam">_state</span><span class="op">]</span> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t84" href="#t84">84</a></span><span class="t"> <span class="key">if</span> <span class="nam">target</span> <span class="key">not</span> <span class="key">in</span> <span class="nam">allowed</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t85" href="#t85">85</a></span><span class="t"> <span class="key">raise</span> <span class="nam">StateTransitionError</span><span class="op">(</span> </span><span class="r"></span></p>
|
|
<p class="run run2"><span class="n"><a id="t86" href="#t86">86</a></span><span class="t"> <span class="fst">f"</span><span class="fst">非法状态转移: </span><span class="op">{</span><span class="nam">self</span><span class="op">.</span><span class="nam">_state</span><span class="op">}</span><span class="fst"> → </span><span class="op">{</span><span class="nam">target</span><span class="op">}</span><span class="fst">（白名单外）</span><span class="fst">"</span> </span><span class="r"></span></p>
|
|
<p class="run run2"><span class="n"><a id="t87" href="#t87">87</a></span><span class="t"> <span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t88" href="#t88">88</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> <span class="op">=</span> <span class="nam">target</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t89" href="#t89">89</a></span><span class="t"> <span class="key">return</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t90" href="#t90">90</a></span><span class="t"> </span><span class="r"></span></p>
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<p class="run"><span class="n"><a id="t91" href="#t91">91</a></span><span class="t"> <span class="key">def</span> <span class="nam">cancel</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span> <span class="op">-></span> <span class="nam">str</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t92" href="#t92">92</a></span><span class="t"> <span class="str">"""取消当前执行：进入 cancelled 终态，记录中断前状态。"""</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t93" href="#t93">93</a></span><span class="t"> <span class="key">if</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> <span class="key">not</span> <span class="key">in</span> <span class="nam">_CANCELLABLE</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t94" href="#t94">94</a></span><span class="t"> <span class="key">raise</span> <span class="nam">StateTransitionError</span><span class="op">(</span> </span><span class="r"></span></p>
|
|
<p class="run run2"><span class="n"><a id="t95" href="#t95">95</a></span><span class="t"> <span class="fst">f"</span><span class="fst">当前状态不可取消: </span><span class="op">{</span><span class="nam">self</span><span class="op">.</span><span class="nam">_state</span><span class="op">}</span><span class="fst">（仅执行中状态可取消）</span><span class="fst">"</span> </span><span class="r"></span></p>
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<p class="run run2"><span class="n"><a id="t96" href="#t96">96</a></span><span class="t"> <span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t97" href="#t97">97</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_cancelled_from</span> <span class="op">=</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> </span><span class="r"></span></p>
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|
<p class="run"><span class="n"><a id="t98" href="#t98">98</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> <span class="op">=</span> <span class="str">"cancelled"</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t99" href="#t99">99</a></span><span class="t"> <span class="key">return</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t100" href="#t100">100</a></span><span class="t"> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t101" href="#t101">101</a></span><span class="t"> <span class="key">def</span> <span class="nam">resume</span><span class="op">(</span><span class="nam">self</span><span class="op">)</span> <span class="op">-></span> <span class="nam">str</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="pln"><span class="n"><a id="t102" href="#t102">102</a></span><span class="t"> <span class="str">"""从 cancelled 恢复：回到中断前状态（cancelled_from）。"""</span> </span><span class="r"></span></p>
|
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<p class="run"><span class="n"><a id="t103" href="#t103">103</a></span><span class="t"> <span class="key">if</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> <span class="op">!=</span> <span class="str">"cancelled"</span><span class="op">:</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t104" href="#t104">104</a></span><span class="t"> <span class="key">raise</span> <span class="nam">StateTransitionError</span><span class="op">(</span> </span><span class="r"></span></p>
|
|
<p class="run run2"><span class="n"><a id="t105" href="#t105">105</a></span><span class="t"> <span class="fst">f"</span><span class="fst">仅 cancelled 状态可 resume（当前: </span><span class="op">{</span><span class="nam">self</span><span class="op">.</span><span class="nam">_state</span><span class="op">}</span><span class="fst">）</span><span class="fst">"</span> </span><span class="r"></span></p>
|
|
<p class="run run2"><span class="n"><a id="t106" href="#t106">106</a></span><span class="t"> <span class="op">)</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t107" href="#t107">107</a></span><span class="t"> <span class="key">assert</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_cancelled_from</span> <span class="key">is</span> <span class="key">not</span> <span class="key">None</span> <span class="com"># cancelled 态必有记录</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t108" href="#t108">108</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> <span class="op">=</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_cancelled_from</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t109" href="#t109">109</a></span><span class="t"> <span class="nam">self</span><span class="op">.</span><span class="nam">_cancelled_from</span> <span class="op">=</span> <span class="key">None</span> </span><span class="r"></span></p>
|
|
<p class="run"><span class="n"><a id="t110" href="#t110">110</a></span><span class="t"> <span class="key">return</span> <span class="nam">self</span><span class="op">.</span><span class="nam">_state</span> </span><span class="r"></span></p>
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