修复 ChatGPT Web 生图调用起始预扣额度

apps/aether-gateway/src/execution_runtime/chatgpt_web_image.rs

@@ -130,6 +130,17 @@ pub(crate) async fn maybe_execute_chatgpt_web_image_stream(
     }))
 }
 
+pub(crate) async fn maybe_apply_chatgpt_web_image_quota_request_delta_at_candidate_start(
+    state: &AppState,
+    plan: &ExecutionPlan,
+    report_context: Option<&Value>,
+) {
+    if !is_chatgpt_web_image_plan(plan, report_context) {
+        return;
+    }
+    apply_chatgpt_web_image_quota_request_delta_at_start(state, plan).await;
+}
+
 fn is_chatgpt_web_image_plan(plan: &ExecutionPlan, report_context: Option<&Value>) -> bool {
     if !plan
         .provider_api_format
@@ -1062,10 +1073,12 @@ async fn apply_chatgpt_web_image_quota_request_delta(
         .unwrap_or_default();
 
     let now_unix_secs = current_unix_secs();
+    let request_dedup_key = chatgpt_web_image_quota_request_delta_dedup_key(plan);
     if !apply_chatgpt_web_image_quota_request_delta_to_metadata(
         &mut metadata,
         latest_key.status_snapshot.as_ref(),
         now_unix_secs,
+        request_dedup_key.as_deref(),
     ) {
         return Ok(false);
     }
@@ -1097,7 +1110,21 @@ fn apply_chatgpt_web_image_quota_request_delta_to_metadata(
     metadata: &mut Map<String, Value>,
     status_snapshot: Option<&Value>,
     now_unix_secs: u64,
+    request_dedup_key: Option<&str>,
 ) -> bool {
+    let request_dedup_key = request_dedup_key
+        .map(str::trim)
+        .filter(|value| !value.is_empty());
+    if let Some(request_dedup_key) = request_dedup_key {
+        if metadata
+            .get("image_quota_last_local_request_key")
+            .and_then(Value::as_str)
+            .is_some_and(|value| value == request_dedup_key)
+        {
+            return false;
+        }
+    }
+
     let snapshot_window = chatgpt_web_image_quota_snapshot_window(status_snapshot);
     let metadata_limit =
         chatgpt_web_image_quota_f64(metadata.get("image_quota_total")).filter(|value| *value > 0.0);
@@ -1163,6 +1190,12 @@ fn apply_chatgpt_web_image_quota_request_delta_to_metadata(
         "image_quota_last_local_request_at".to_string(),
         json!(now_unix_secs),
     );
+    if let Some(request_dedup_key) = request_dedup_key {
+        metadata.insert(
+            "image_quota_last_local_request_key".to_string(),
+            json!(request_dedup_key),
+        );
+    }
     let local_request_count =
         chatgpt_web_image_quota_u64(metadata.get("image_quota_local_request_count")).unwrap_or(0);
     metadata.insert(
@@ -1172,6 +1205,22 @@ fn apply_chatgpt_web_image_quota_request_delta_to_metadata(
     true
 }
 
+fn chatgpt_web_image_quota_request_delta_dedup_key(plan: &ExecutionPlan) -> Option<String> {
+    let request_id = plan.request_id.trim();
+    if request_id.is_empty() {
+        return None;
+    }
+    let candidate_id = plan
+        .candidate_id
+        .as_deref()
+        .map(str::trim)
+        .filter(|value| !value.is_empty());
+    Some(match candidate_id {
+        Some(candidate_id) => format!("{request_id}:{candidate_id}"),
+        None => request_id.to_string(),
+    })
+}
+
 #[derive(Debug, Clone)]
 struct ChatGptWebImageQuotaRequestLimit {
     value: f64,
@@ -2754,6 +2803,7 @@ mod tests {
             &mut metadata,
             None,
             1_000,
+            None,
         ));
 
         assert_eq!(metadata["image_quota_remaining"], json!(24.0));
@@ -2783,6 +2833,7 @@ mod tests {
             &mut metadata,
             Some(&status_snapshot),
             1_000,
+            None,
         ));
 
         assert_eq!(metadata["image_quota_remaining"], json!(18.0));
@@ -2804,6 +2855,7 @@ mod tests {
             &mut metadata,
             None,
             1_000,
+            None,
         ));
 
         assert_eq!(metadata["image_quota_remaining"], json!(18.0));
@@ -2815,6 +2867,44 @@ mod tests {
         );
     }
 
+    #[test]
+    fn chatgpt_web_image_quota_request_delta_dedupes_same_candidate_start() {
+        let mut metadata = Map::from_iter([
+            ("plan_type".to_string(), json!("free")),
+            ("image_quota_remaining".to_string(), json!(25.0)),
+            ("image_quota_total".to_string(), json!(25.0)),
+            ("image_quota_used".to_string(), json!(0.0)),
+        ]);
+
+        assert!(apply_chatgpt_web_image_quota_request_delta_to_metadata(
+            &mut metadata,
+            None,
+            1_000,
+            Some("request-1:candidate-1"),
+        ));
+        assert!(!apply_chatgpt_web_image_quota_request_delta_to_metadata(
+            &mut metadata,
+            None,
+            1_001,
+            Some("request-1:candidate-1"),
+        ));
+        assert!(apply_chatgpt_web_image_quota_request_delta_to_metadata(
+            &mut metadata,
+            None,
+            1_002,
+            Some("request-1:candidate-2"),
+        ));
+
+        assert_eq!(metadata["image_quota_remaining"], json!(23.0));
+        assert_eq!(metadata["image_quota_total"], json!(25.0));
+        assert_eq!(metadata["image_quota_used"], json!(2.0));
+        assert_eq!(metadata["image_quota_local_request_count"], json!(2u64));
+        assert_eq!(
+            metadata["image_quota_last_local_request_key"],
+            json!("request-1:candidate-2")
+        );
+    }
+
     async fn start_mock_chatgpt_web() -> (String, tokio::task::JoinHandle<()>) {
         let app = Router::new().fallback(any(|request: Request| async move {
             let path = request.uri().path().to_string();

apps/aether-gateway/src/execution_runtime/stream/execution.rs

@@ -61,7 +61,10 @@ use crate::clock::current_unix_ms as current_request_candidate_unix_ms;
 use crate::constants::{CONTROL_CANDIDATE_ID_HEADER, CONTROL_REQUEST_ID_HEADER};
 use crate::control::GatewayControlDecision;
 use crate::execution_runtime::build_direct_execution_frame_stream;
-use crate::execution_runtime::chatgpt_web_image::maybe_execute_chatgpt_web_image_stream;
+use crate::execution_runtime::chatgpt_web_image::{
+    maybe_apply_chatgpt_web_image_quota_request_delta_at_candidate_start,
+    maybe_execute_chatgpt_web_image_stream,
+};
 use crate::execution_runtime::grok::maybe_execute_grok_stream;
 use crate::execution_runtime::kiro_cache::{
     billed_input_tokens as kiro_billed_input_tokens, build_kiro_prompt_cache_profile,
@@ -858,6 +861,12 @@ pub(crate) async fn execute_execution_runtime_stream(
             .await;
         });
     }
+    maybe_apply_chatgpt_web_image_quota_request_delta_at_candidate_start(
+        state,
+        &plan,
+        report_context.as_ref(),
+    )
+    .await;
     let plan_request_id_for_log = short_request_id(plan.request_id.as_str());
     let provider_name = plan
         .provider_name

apps/aether-gateway/src/execution_runtime/sync/execution.rs

@@ -39,7 +39,10 @@ use crate::api::response::{
 };
 use crate::clock::current_unix_ms as current_request_candidate_unix_ms;
 use crate::control::GatewayControlDecision;
-use crate::execution_runtime::chatgpt_web_image::maybe_execute_chatgpt_web_image_sync;
+use crate::execution_runtime::chatgpt_web_image::{
+    maybe_apply_chatgpt_web_image_quota_request_delta_at_candidate_start,
+    maybe_execute_chatgpt_web_image_sync,
+};
 use crate::execution_runtime::grok::maybe_execute_grok_sync;
 use crate::execution_runtime::oauth_retry::refresh_oauth_plan_auth_for_retry;
 #[cfg(test)]
@@ -1335,6 +1338,12 @@ async fn execute_execution_runtime_sync_impl(
         },
     )
     .await;
+    maybe_apply_chatgpt_web_image_quota_request_delta_at_candidate_start(
+        state,
+        &plan,
+        report_context.as_ref(),
+    )
+    .await;
     let mut terminal_guard = SyncAttemptTerminalGuard::new(
         state,
         &plan,

apps/aether-gateway/src/handlers/shared/catalog.rs

@@ -442,13 +442,49 @@ fn chatgpt_web_image_quota_limit(
         .get("image_quota_total")
         .and_then(admin_provider_quota_pure::coerce_json_f64)
         .filter(|value| *value > 0.0);
+    let plan_type = metadata
+        .get("plan_type")
+        .and_then(Value::as_str)
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+        .map(|value| value.to_ascii_lowercase());
+    let limit_source = metadata
+        .get("image_quota_limit_source")
+        .and_then(Value::as_str)
+        .map(str::trim)
+        .filter(|value| !value.is_empty());
     if let Some(limit) = explicit_limit {
-        return Some(limit);
+        if !chatgpt_web_image_quota_limit_is_legacy_free_default(
+            limit,
+            limit_source,
+            plan_type.as_deref(),
+            remaining,
+        ) {
+            return Some(limit);
+        }
     }
 
     remaining.filter(|value| *value > 0.0)
 }
 
+fn chatgpt_web_image_quota_limit_is_legacy_free_default(
+    limit: f64,
+    limit_source: Option<&str>,
+    plan_type: Option<&str>,
+    remaining: Option<f64>,
+) -> bool {
+    let plan_type_is_free = plan_type
+        .map(str::trim)
+        .is_some_and(|value| value.eq_ignore_ascii_case("free"));
+    if !plan_type_is_free || limit_source.is_some() {
+        return false;
+    }
+    if (limit - 25.0).abs() > f64::EPSILON {
+        return false;
+    }
+    remaining.is_some_and(|value| value < limit)
+}
+
 fn model_quota_window_snapshot(
     model_name: &str,
     item: &Map<String, Value>,
@@ -2533,6 +2569,33 @@ mod tests {
         assert_eq!(window.get("remaining_ratio"), Some(&json!(1.0)));
     }
 
+    #[test]
+    fn provider_key_status_snapshot_payload_ignores_chatgpt_web_legacy_free_25_limit() {
+        let mut key = sample_catalog_key();
+        key.upstream_metadata = Some(json!({
+            "chatgpt_web": {
+                "updated_at": 1_778_067_246u64,
+                "plan_type": "free",
+                "image_quota_remaining": 19.0,
+                "image_quota_total": 25.0
+            }
+        }));
+
+        let payload = provider_key_status_snapshot_payload(&key, "chatgpt_web");
+        let window = payload
+            .get("quota")
+            .and_then(Value::as_object)
+            .and_then(|quota| quota.get("windows"))
+            .and_then(Value::as_array)
+            .and_then(|windows| windows.first())
+            .and_then(Value::as_object)
+            .expect("image quota window should exist");
+
+        assert_eq!(window.get("remaining_value"), Some(&json!(19.0)));
+        assert_eq!(window.get("limit_value"), Some(&json!(19.0)));
+        assert_eq!(window.get("used_value"), Some(&json!(0.0)));
+    }
+
     #[test]
     fn provider_key_status_snapshot_payload_backfills_grok_model_quota() {
         let mut key = sample_catalog_key();