diesel replaced with r2d2 and rusqlite

Author: vsilent

DEVELOPMENT.md

@@ -47,7 +47,7 @@
 | **eBPF** | aya-rs | Pure Rust eBPF framework |
 | **Firewall** | nftables (netlink) | Modern, faster than iptables |
 | **Web Framework** | Actix-web | High performance, existing codebase |
-| **Database** | SQLite + Diesel | Embedded, low overhead |
+| **Database** | SQLite + rusqlite + r2d2 | Embedded, low overhead |
 | **Frontend** | React + TypeScript | Existing codebase, rich ecosystem |
 
 ---
@@ -463,8 +463,8 @@ actix-rt = "2"
 actix-cors = "0.6"
 
 # Database
-diesel = { version = "2", features = ["sqlite", "r2d2", "chrono"] }
-diesel_migrations = "2"
+rusqlite = { version = "0.32", features = ["bundled"] }
+r2d2 = "0.8"
 
 # eBPF
 aya = "0.12"

README.md

@@ -543,7 +543,8 @@ copies of the Software...
 - [aya-rs](https://aya-rs.dev/) - Rust eBPF framework
 - [Candle](https://github.com/huggingface/candle) - HuggingFace ML framework
 - [Actix-web](https://actix.rs/) - Rust web framework
-- [Diesel](http://diesel.rs/) - Rust ORM
+- [rusqlite](https://github.com/rusqlite/rusqlite) - SQLite bindings for Rust
+- [r2d2](https://github.com/sfackler/r2d2) - Connection pool
 
 ---
 

TESTING.md

@@ -31,10 +31,7 @@ mkdir -p db
 # Set database URL
 export DATABASE_URL=./db/stackdog.db
 
-# Run migrations
-diesel migration run
-
-# Run tests
+# Run tests (schema is initialized automatically via init_database)
 cargo test --lib
 ```
 
@@ -135,8 +132,6 @@ touch db/stackdog.db
 # Set environment variable
 export DATABASE_URL=./db/stackdog.db
 
-# Run migrations
-diesel migration run
 ```
 
 ### eBPF Tests
@@ -183,10 +178,7 @@ RUST_BACKTRACE=full
 ## Troubleshooting
 
 ### "database table not found"
-```bash
-# Run migrations
-diesel migration run
-```
+Tables are created automatically by `init_database` on startup. Ensure `DATABASE_URL` points to a writable path.
 
 ### "permission denied"
 ```bash

TODO.md

@@ -306,7 +306,7 @@
 ## Technical Debt
 
 - [ ] **DEBT-001**: Remove legacy container management code (v1.0.0)
-- [ ] **DEBT-002**: Update Diesel to v2 (breaking changes)
+- [x] **DEBT-002**: Replaced Diesel with rusqlite + r2d2
 - [ ] **DEBT-003**: Migrate from actix-web 3.x to 4.x
 - [ ] **DEBT-004**: Improve error handling with `thiserror`
 - [ ] **DEBT-005**: Add comprehensive documentation comments