Update: 将子项目从 submodule 转为完整内容

- 移除 GovAI, nomifun-tauri, 算力盒子 的 submodule 引用
- 添加所有子项目的完整源代码
- 保留原始 .git 为 .git.bak 备份

nomifun-tauri/crates/agent/nomi-agent/tests/emergency_test.rs

@@ -0,0 +1,123 @@
+//! Black-box integration tests for emergency truncation (TC-2.5-01 .. TC-2.5-04).
+//!
+//! These tests treat `is_at_emergency_limit` as a public API and verify
+//! functional requirements from test-plan.md without relying on internal details.
+
+use nomi_agent::compact::emergency::{EMERGENCY_USER_MESSAGE, is_at_emergency_limit};
+use nomi_config::compact::CompactConfig;
+
+// ── TC-2.5-01: Below emergency threshold ───────────────────────────────────
+
+#[test]
+fn tc_2_5_01_below_emergency_threshold() {
+    // context_window=200_000, emergency_buffer=3_000
+    // emergency_limit = 200k - 3k = 197k
+    // 190k < 197k → false
+    let config = CompactConfig::default();
+    assert!(
+        !is_at_emergency_limit(190_000, &config),
+        "190k tokens should be below the 197k emergency limit"
+    );
+}
+
+// ── TC-2.5-02: Above emergency threshold ───────────────────────────────────
+
+#[test]
+fn tc_2_5_02_above_emergency_threshold() {
+    // 198k >= 197k → true
+    let config = CompactConfig::default();
+    assert!(
+        is_at_emergency_limit(198_000, &config),
+        "198k tokens should exceed the 197k emergency limit"
+    );
+}
+
+// ── TC-2.5-03: Exactly at emergency threshold ──────────────────────────────
+
+#[test]
+fn tc_2_5_03_at_exact_emergency_threshold() {
+    // 197k >= 197k → true
+    let config = CompactConfig::default();
+    assert!(
+        is_at_emergency_limit(197_000, &config),
+        "197k tokens should trigger at exactly the emergency limit"
+    );
+}
+
+// ── TC-2.5-04: Small context window ────────────────────────────────────────
+
+#[test]
+fn tc_2_5_04_small_context_window() {
+    // context_window=8_000, emergency_buffer=3_000
+    // emergency_limit = 8k - 3k = 5k
+    // 6k >= 5k → true
+    let config = CompactConfig {
+        context_window: 8_000,
+        emergency_buffer: 3_000,
+        ..CompactConfig::default()
+    };
+    assert!(
+        is_at_emergency_limit(6_000, &config),
+        "6k tokens should exceed 5k emergency limit on an 8k context window"
+    );
+}
+
+// ── Additional integration-level checks ────────────────────────────────────
+
+#[test]
+fn emergency_check_ignores_enabled_flag() {
+    // Emergency is the safety net — it fires even when compact is disabled
+    let config = CompactConfig {
+        enabled: false,
+        ..CompactConfig::default()
+    };
+    assert!(
+        is_at_emergency_limit(198_000, &config),
+        "emergency check must fire regardless of the enabled flag"
+    );
+}
+
+#[test]
+fn user_message_is_actionable() {
+    // The message should tell the user what to do
+    assert!(
+        EMERGENCY_USER_MESSAGE.contains("/compact"),
+        "emergency message should mention /compact"
+    );
+    assert!(
+        EMERGENCY_USER_MESSAGE.contains("new conversation"),
+        "emergency message should mention starting a new conversation"
+    );
+}
+
+#[test]
+fn autocompact_fires_before_emergency() {
+    // Verify that the autocompact threshold is lower than the emergency limit
+    // so autocompact gets a chance to run before the safety net kicks in.
+    use nomi_agent::compact::auto::should_autocompact;
+
+    let config = CompactConfig::default();
+
+    // Pick a token count that triggers autocompact but not emergency
+    let token_count: u64 = 170_000;
+    let autocompact_triggers = should_autocompact(token_count, &config);
+    let emergency_triggers = is_at_emergency_limit(token_count, &config);
+
+    assert!(
+        autocompact_triggers && !emergency_triggers,
+        "at 170k tokens, autocompact should trigger (threshold 167k) \
+         but emergency should not (limit 197k)"
+    );
+}
+
+#[test]
+fn both_trigger_near_limit() {
+    // When very close to the limit, both autocompact and emergency should fire
+    use nomi_agent::compact::auto::should_autocompact;
+
+    let config = CompactConfig::default();
+    let token_count: u64 = 198_000;
+
+    assert!(should_autocompact(token_count, &config));
+    assert!(is_at_emergency_limit(token_count, &config));
+}