chore: 编译器警告清理 — 22 条全部消除，workspace 零警告

erp-ai(8): 移除未用 import + serde 结构体 #[allow(dead_code)]
erp-plugin(5): 移除未用 import + FromQueryResult 结构体允许
erp-health(8): 移除未用 import/变量 + FromQueryResult 字段允许
erp-server(1): AnalyticsEvent.timestamp 允许（未来分析集成）

crates/erp-ai/src/handler/suggestion_handler.rs

@@ -100,9 +100,9 @@ where
 {
     require_permission(&ctx, "ai.suggestion.list")?;
 
-    use crate::entity::ai_suggestion;
-    use sea_orm::{ColumnTrait, EntityTrait, QueryFilter};
+    use sea_orm::EntityTrait;
 
+    use crate::entity::ai_suggestion;
     let suggestion = ai_suggestion::Entity::find_by_id(id)
         .one(&state.db)
         .await

crates/erp-ai/src/provider/claude.rs

@@ -52,6 +52,7 @@ struct ClaudeStreamEvent {
     #[serde(rename = "type")]
     event_type: String,
     delta: Option<ClaudeDelta>,
+    #[allow(dead_code)] // serde 反序列化需要，但流式处理中不读取
     message: Option<ClaudeMessageResp>,
 }
 
@@ -62,12 +63,15 @@ struct ClaudeDelta {
 
 #[derive(Deserialize)]
 struct ClaudeMessageResp {
+    #[allow(dead_code)] // serde 反序列化需要，暂未使用 usage 信息
     usage: Option<ClaudeUsage>,
 }
 
 #[derive(Deserialize)]
 struct ClaudeUsage {
+    #[allow(dead_code)] // serde 反序列化需要，暂未追踪 token 用量
     input_tokens: u32,
+    #[allow(dead_code)]
     output_tokens: u32,
 }
 

crates/erp-ai/src/service/auto_analysis.rs

@@ -5,8 +5,8 @@
 
 use std::time::Duration;
 
-use erp_core::health_provider::{HealthDataProvider, TimeRange};
-use sea_orm::{EntityTrait, FromQueryResult, Statement};
+use erp_core::health_provider::TimeRange;
+use sea_orm::{FromQueryResult, Statement};
 use uuid::Uuid;
 
 use crate::dto::AnalysisType;

crates/erp-ai/src/service/reanalysis.rs

@@ -11,6 +11,7 @@ pub async fn handle_reanalysis_requested(
     #[derive(Debug, FromQueryResult)]
     struct OriginalSuggestion {
         baseline_snapshot: Option<serde_json::Value>,
+        #[allow(dead_code)] // FromQueryResult 映射需要，当前未读取
         params: Option<serde_json::Value>,
         risk_level: Option<String>,
     }

crates/erp-health/src/event.rs

@@ -325,15 +325,7 @@ pub fn register_handlers_with_state(state: crate::state::HealthState) {
                                 .and_then(|s| uuid::Uuid::parse_str(s).ok());
 
                             if let Some(patient_id) = patient_id {
-                                // 通过 raw SQL 查找关联的 AI 建议（action_result 中包含 followup_task_id）
-                                let sql = r#"
-                                    SELECT id FROM ai_suggestion
-                                    WHERE tenant_id = $1
-                                      AND deleted_at IS NULL
-                                      AND status = 'executed'
-                                      AND action_result @> $2
-                                    LIMIT 1
-                                "#;
+                                // 通过 ai_suggestion_loader 查找关联的 AI 建议
                                 if let Some(suggestion_id) = crate::service::ai_suggestion_loader::find_by_followup_task(
                                     &fu_db, event.tenant_id, task_id,
                                 ).await.unwrap_or(None) {

crates/erp-health/src/service/action_inbox_service.rs

@@ -105,6 +105,7 @@ struct ActionItemRow {
     patient_id: Uuid,
     patient_name: String,
     result_content: Option<String>,
+    #[allow(dead_code)] // FromQueryResult 映射需要，当前 DTO 转换中未读取
     source_id: Option<Uuid>,
 }
 
@@ -116,6 +117,7 @@ struct CountRow {
 #[derive(Debug, FromQueryResult)]
 struct ActionDetail {
     id: Uuid,
+    #[allow(dead_code)] // FromQueryResult 映射需要，当前 DTO 转换中未读取
     action_type: String,
     priority_raw: String,
     status: String,
@@ -124,6 +126,7 @@ struct ActionDetail {
     reanalysis_id: Option<Uuid>,
     created_at: DateTime<Utc>,
     updated_at: DateTime<Utc>,
+    #[allow(dead_code)] // FromQueryResult 映射需要，当前 DTO 转换中未读取
     source_id: Option<Uuid>,
     patient_id: Uuid,
     patient_name: String,

crates/erp-health/src/service/medication_reminder_service.rs

@@ -1,5 +1,4 @@
 use chrono::Utc;
-use sea_orm::entity::prelude::*;
 use sea_orm::{ActiveModelTrait, ActiveValue::Set, ColumnTrait, EntityTrait, PaginatorTrait, QueryFilter, QueryOrder, QuerySelect};
 use uuid::Uuid;
 

crates/erp-health/src/service/stats_service.rs

@@ -1,4 +1,4 @@
-use sea_orm::{ColumnTrait, ConnectionTrait, EntityTrait, PaginatorTrait, QueryFilter, sea_query::Expr, FromQueryResult, Statement};
+use sea_orm::{ColumnTrait, ConnectionTrait, EntityTrait, PaginatorTrait, QueryFilter, sea_query::Expr, FromQueryResult};
 
 use erp_core::error::AppResult;
 
@@ -7,7 +7,6 @@ use crate::entity::{
     patient, consultation_session, follow_up_task,
     points_transaction, lab_report,
     appointment, vital_signs, patient_doctor_relation, doctor_profile,
-    article,
 };
 use crate::state::HealthState;
 
@@ -463,6 +462,7 @@ async fn compute_daily_report_rate(
     struct DailyRow {
         date: String,
         reported: i64,
+        #[allow(dead_code)] // FromQueryResult 映射需要 total 字段，当前未读取
         total: i64,
     }
 
@@ -902,7 +902,7 @@ pub async fn get_points_recent_activity(
 
 /// 模块状态
 pub async fn get_module_status(
-    state: &HealthState,
+    _state: &HealthState,
 ) -> AppResult<Vec<ModuleStatusResp>> {
     let modules = vec![
         ModuleStatusResp {

crates/erp-plugin/src/data_service.rs

@@ -459,6 +459,7 @@ impl PluginDataService {
                         rel_table, fk
                     );
                     #[derive(FromQueryResult)]
+                    #[allow(dead_code)] // FromQueryResult 映射需要 chk 字段，仅检查是否存在
                     struct RefCheck { chk: Option<i32> }
                     let has_ref = RefCheck::find_by_statement(Statement::from_sql_and_values(
                         sea_orm::DatabaseBackend::Postgres,
@@ -771,6 +772,7 @@ impl PluginDataService {
                                     rel_table, fk
                                 );
                                 #[derive(FromQueryResult)]
+                                #[allow(dead_code)] // FromQueryResult 映射需要 chk 字段，仅检查是否存在
                                 struct RefCheck { chk: Option<i32> }
                                 let has_ref = RefCheck::find_by_statement(Statement::from_sql_and_values(
                                     sea_orm::DatabaseBackend::Postgres,
@@ -1168,6 +1170,7 @@ impl PluginDataService {
                 let col = sanitize_identifier(&field.name);
 
                 #[derive(FromQueryResult)]
+                #[allow(dead_code)] // FromQueryResult 映射需要 id 字段，通过 is_some 检查
                 struct RefRow {
                     id: Uuid,
                     // 动态列 — SeaORM 无法直接映射，用 JSON 构建
@@ -1530,6 +1533,7 @@ async fn validate_ref_entities(
             ref_table
         );
         #[derive(FromQueryResult)]
+        #[allow(dead_code)] // FromQueryResult 映射需要 check_result 字段，仅检查是否存在
         struct ExistsCheck { check_result: Option<i32> }
         let result = ExistsCheck::find_by_statement(Statement::from_sql_and_values(
             sea_orm::DatabaseBackend::Postgres,

crates/erp-plugin/src/host.rs

@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 
-use sea_orm::{ConnectionTrait, DatabaseConnection};
+use sea_orm::DatabaseConnection;
 use uuid::Uuid;
 use wasmtime::StoreLimits;
 

crates/erp-server/src/handlers/analytics.rs

@@ -8,6 +8,7 @@ use erp_core::types::ApiResponse;
 pub struct AnalyticsEvent {
     pub event: String,
     pub properties: Option<serde_json::Value>,
+    #[allow(dead_code)] // 客户端上报字段，后续接入分析表时会使用
     pub timestamp: Option<String>,
     pub page: Option<String>,
 }