feat: 接入 mnote web tree shell 与主页链路整理

- 增加 mnote-web tree/command 支持与前端 MnoteWebTreeShell 集成
- 调整 sidebar、documents、runtime config 与 dev/prod server 配套逻辑
- 补充 homepage/tree shell smoke 脚本并更新 harness 进度文件

rust/crates/mnote-web/src/app.rs

@@ -2,6 +2,7 @@ use crate::middleware::request_context::inject_request_context;
 use crate::routes::build_router;
 use axum::Router;
 use std::env;
+use std::fs;
 use std::sync::Arc;
 use tower_http::trace::TraceLayer;
 
@@ -15,6 +16,8 @@ pub struct AppConfig {
     pub convex_url: Option<String>,
     pub convex_admin_key: Option<String>,
     pub allow_dev_fixtures: bool,
+    pub query_fixtures_json: Option<String>,
+    pub mutation_fixtures_json: Option<String>,
     pub dev_user_id: String,
     pub dev_user_name: String,
     pub dev_user_email: String,
@@ -34,23 +37,74 @@ impl AppConfig {
             convex_url: env::var("CONVEX_SELF_HOSTED_URL")
                 .ok()
                 .or_else(|| env::var("NEXT_PUBLIC_CONVEX_URL").ok())
+                .or_else(|| read_env_or_dotenv("CONVEX_SELF_HOSTED_URL"))
+                .or_else(|| read_env_or_dotenv("NEXT_PUBLIC_CONVEX_URL"))
                 .map(|value| value.trim().trim_end_matches('/').to_string())
                 .filter(|value| !value.is_empty()),
             convex_admin_key: env::var("CONVEX_SELF_HOSTED_ADMIN_KEY")
                 .ok()
+                .or_else(|| read_env_or_dotenv("CONVEX_SELF_HOSTED_ADMIN_KEY"))
                 .map(|value| value.trim().to_string())
                 .filter(|value| !value.is_empty()),
             allow_dev_fixtures: env::var("MNOTE_WEB_ALLOW_DEV_FIXTURES")
                 .ok()
                 .map(|value| matches!(value.trim(), "1" | "true" | "TRUE" | "yes" | "YES"))
                 .unwrap_or(false),
-            dev_user_id: env::var("DEV_USER_ID").unwrap_or_else(|_| "dev-user".into()),
-            dev_user_name: env::var("DEV_USER_NAME").unwrap_or_else(|_| "开发用户".into()),
-            dev_user_email: env::var("DEV_USER_EMAIL").unwrap_or_else(|_| "dev@mnote.local".into()),
+            query_fixtures_json: env::var("MNOTE_WEB_QUERY_FIXTURES_JSON")
+                .ok()
+                .map(|value| value.trim().to_string())
+                .filter(|value| !value.is_empty()),
+            mutation_fixtures_json: env::var("MNOTE_WEB_MUTATION_FIXTURES_JSON")
+                .ok()
+                .map(|value| value.trim().to_string())
+                .filter(|value| !value.is_empty()),
+            dev_user_id: env::var("DEV_USER_ID")
+                .ok()
+                .or_else(|| read_env_or_dotenv("DEV_USER_ID"))
+                .unwrap_or_else(|| "dev-user".into()),
+            dev_user_name: env::var("DEV_USER_NAME")
+                .ok()
+                .or_else(|| read_env_or_dotenv("DEV_USER_NAME"))
+                .unwrap_or_else(|| "开发用户".into()),
+            dev_user_email: env::var("DEV_USER_EMAIL")
+                .ok()
+                .or_else(|| read_env_or_dotenv("DEV_USER_EMAIL"))
+                .unwrap_or_else(|| "dev@mnote.local".into()),
         }
     }
 }
 
+fn read_env_or_dotenv(key: &str) -> Option<String> {
+    if let Ok(value) = env::var(key) {
+        let trimmed = value.trim().trim_matches('"').to_string();
+        if !trimmed.is_empty() {
+            return Some(trimmed);
+        }
+    }
+
+    let root = std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+        .join("../../..")
+        .join(".env.all");
+    let content = fs::read_to_string(root).ok()?;
+    for line in content.lines() {
+        let line = line.trim_end_matches('\r');
+        if line.starts_with('#') || line.trim().is_empty() {
+            continue;
+        }
+        let Some((k, v)) = line.split_once('=') else {
+            continue;
+        };
+        if k.trim() != key {
+            continue;
+        }
+        let trimmed = v.trim().trim_matches('"').to_string();
+        if !trimmed.is_empty() {
+            return Some(trimmed);
+        }
+    }
+    None
+}
+
 #[derive(Debug, Clone)]
 pub struct AppState {
     config: Arc<AppConfig>,