refactor: integrate rust-genai v0.3.5 for unified LLM client

- Replace custom HTTP client implementations with rust-genai library
- Update genai dependency from 0.4.x to stable 0.3.5 to avoid let_chains
- Simplify GenAiLlmClient by removing ~400 lines of provider-specific code
- Use workspace edition 2024 for future compatibility
- Fix ConflictType derive traits for HashMap compatibility

The rust-genai library provides a unified interface for multiple LLM providers
(OpenAI, Anthropic, Ollama, OpenRouter) with built-in authentication,
response formatting, and token counting.

Author: AlexMikhalev

Cargo.toml

@@ -3,6 +3,9 @@ resolver = "2"
 members = ["crates/*", "terraphim_server", "desktop/src-tauri", "crates/terraphim_onepassword_cli", "crates/terraphim_tui"]
 default-members = ["terraphim_server"]
 
+[workspace.package]
+edition = "2024"
+
 [workspace.dependencies]
 # OpenRouter AI integration dependencies
 tokio = { version = "1.0", features = ["full"] }

crates/terraphim_goal_alignment/src/knowledge_graph.rs

@@ -210,7 +210,7 @@ pub struct GoalConflict {
 }
 
 /// Types of goal conflicts
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
 pub enum ConflictType {
     /// Resource conflicts
     Resource,

crates/terraphim_multi_agent/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "terraphim_multi_agent"
 version = "0.1.0"
-edition = "2021"
+edition.workspace = true
 description = "Multi-agent system for Terraphim built on roles with Rig framework integration"
 license = "MIT"
 
@@ -24,11 +24,14 @@ log = { workspace = true }
 # Direct HTTP client approach (like Goose) for LLM communication
 reqwest = { version = "0.12", features = ["json", "stream"] }
 
+# Multi-provider generative AI client (using stable version due to let_chains issue in git version)
+genai = "0.3.5"
+
 # Additional dependencies
 ahash = { version = "0.8.8", features = ["serde"] }
 futures = "0.3"
 rand = "0.8"
-tiktoken-rs = "0.6"
+# tiktoken-rs = "0.6" # Now handled by rust-genai
 tracing = "0.1"
 regex = "1.10"
 lazy_static = "1.4"
@@ -40,6 +43,7 @@ terraphim_rolegraph = { path = "../terraphim_rolegraph" }
 terraphim_automata = { path = "../terraphim_automata" }
 terraphim_persistence = { path = "../terraphim_persistence" }
 terraphim_agent_evolution = { path = "../terraphim_agent_evolution" }
+terraphim_service = { path = "../terraphim_service" }
 
 # Firecracker VM dependencies (optional, feature-gated)
 # Note: fcctl-repl has its own workspace dependencies that may conflict