Refactor and clean up code across multiple modules

- Simplified token type assignment in OAuth service.
- Removed unused session_lock module and re-exported Session from zesdex_entities.
- Cleaned up session entity by removing unnecessary comments and code.
- Consolidated session handling in HTTP handlers for better readability.
- Improved formatting and readability in OAuth repository tests.
- Enhanced session lock repository with clearer match statements.
- Streamlined session repository error handling.
- Refined RNG tests for better clarity.
- Adjusted module visibility and organization in lib.rs.
- Updated IPC client and connection code for better error handling and clarity.
- Improved frame handling in IPC for better readability.
- Organized module imports and added test utilities for IPC.
- Enhanced database connection error handling.
- Simplified JWT token creation error handling.
- Improved password verification error handling.
- Cleaned up state management code for better readability.
- Refactored middleware for session authentication and rate limiting.
- Simplified clipboard utility for better error handling.
- Enhanced logging initialization for better error reporting.
- Improved pagination utility with clearer method annotations.
- Cleaned up sanitization functions for filenames and paths.
- Enhanced slug generation functions for better clarity and usability.

crates/zesdex-backend/src/model/agent_def/builtin.rs

@@ -14,13 +14,11 @@ use crate::app::subagent::spawn::AgentDefinition;
 /// researcher, planner).
 pub fn builtin_agents() -> Vec<AgentDefinition> {
     vec![
-        AgentDefinition::new(
-            "coder".to_string(),
-            "coder".to_string(),
-        ).with_system_prompt(
-            "You are a coding agent. Write correct, idiomatic Rust code.".to_string()
-        ).with_allowed_tools(
-            vec![
+        AgentDefinition::new("coder".to_string(), "coder".to_string())
+            .with_system_prompt(
+                "You are a coding agent. Write correct, idiomatic Rust code.".to_string(),
+            )
+            .with_allowed_tools(vec![
                 "read".to_string(),
                 "write".to_string(),
                 "edit".to_string(),
@@ -35,16 +33,14 @@ pub fn builtin_agents() -> Vec<AgentDefinition> {
                 "lsp_references".to_string(),
                 "lsp_completion".to_string(),
                 "lsp_disconnect".to_string(),
-            ]
-        ).with_max_steps(usize::MAX),
-
-        AgentDefinition::new(
-            "reviewer".to_string(),
-            "reviewer".to_string(),
-        ).with_system_prompt(
-            "You are a code reviewer. Focus on correctness, safety, and performance.".to_string()
-        ).with_allowed_tools(
-            vec![
+            ])
+            .with_max_steps(usize::MAX),
+        AgentDefinition::new("reviewer".to_string(), "reviewer".to_string())
+            .with_system_prompt(
+                "You are a code reviewer. Focus on correctness, safety, and performance."
+                    .to_string(),
+            )
+            .with_allowed_tools(vec![
                 "read".to_string(),
                 "grep".to_string(),
                 "glob".to_string(),
@@ -54,39 +50,34 @@ pub fn builtin_agents() -> Vec<AgentDefinition> {
                 "lsp_hover".to_string(),
                 "lsp_definition".to_string(),
                 "lsp_references".to_string(),
-            ]
-        ).with_max_steps(usize::MAX),
-
-        AgentDefinition::new(
-            "researcher".to_string(),
-            "researcher".to_string(),
-        ).with_system_prompt(
-            "You are a research agent. Search for information and summarize findings.".to_string()
-        ).with_allowed_tools(
-            vec![
+            ])
+            .with_max_steps(usize::MAX),
+        AgentDefinition::new("researcher".to_string(), "researcher".to_string())
+            .with_system_prompt(
+                "You are a research agent. Search for information and summarize findings."
+                    .to_string(),
+            )
+            .with_allowed_tools(vec![
                 "read".to_string(),
                 "grep".to_string(),
                 "glob".to_string(),
                 "bash".to_string(),
                 "search_web".to_string(),
                 "fetch_url".to_string(),
-            ]
-        ).with_max_steps(usize::MAX),
-
-        AgentDefinition::new(
-            "planner".to_string(),
-            "planner".to_string(),
-        ).with_system_prompt(
-            "You are a planning agent. Break down tasks into clear steps.".to_string()
-        ).with_allowed_tools(
-            vec![
+            ])
+            .with_max_steps(usize::MAX),
+        AgentDefinition::new("planner".to_string(), "planner".to_string())
+            .with_system_prompt(
+                "You are a planning agent. Break down tasks into clear steps.".to_string(),
+            )
+            .with_allowed_tools(vec![
                 "read".to_string(),
                 "write".to_string(),
                 "edit".to_string(),
                 "bash".to_string(),
                 "todo_write".to_string(),
                 "todo_finish".to_string(),
-            ]
-        ).with_max_steps(usize::MAX),
+            ])
+            .with_max_steps(usize::MAX),
     ]
 }

crates/zesdex-backend/src/model/agent_def/session.rs

@@ -1,8 +1,8 @@
 #![allow(dead_code)]
 //! Load, save, add, and remove agent definitions scoped to a single
 //! session (`<session_dir>/agents.json`).
-use std::path::Path;
 use crate::app::subagent::spawn::AgentDefinition;
+use std::path::Path;
 
 /// Load agent definitions saved for a specific session.
 ///
@@ -21,12 +21,10 @@ pub fn load_session_agents(session_dir: &Path) -> Vec<AgentDefinition> {
         return Vec::new();
     }
     match std::fs::read_to_string(&agents_file) {
-        Ok(content) => {
-            serde_json::from_str(&content).unwrap_or_else(|e| {
-                tracing::warn!("[session] failed to parse agents.json: {}", e);
-                Vec::new()
-            })
-        }
+        Ok(content) => serde_json::from_str(&content).unwrap_or_else(|e| {
+            tracing::warn!("[session] failed to parse agents.json: {}", e);
+            Vec::new()
+        }),
         Err(_) => Vec::new(),
     }
 }

crates/zesdex-backend/src/model/mod.rs

@@ -5,6 +5,6 @@
 pub mod store {
     pub use zesdex_entities::seaorm::common::store::*;
 }
+pub mod agent_def;
 /// Local modules not extracted to workspace crates
 pub mod msglog;
-pub mod agent_def;