feat(opencode): remplace le profil Ollama HTTP par OpenCode

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

crates/infrastructure/src/session/codex.rs

@@ -124,6 +124,8 @@ pub struct CodexExecSession {
     cwd: String,
     /// Project/workspace roots that must be writable in Codex's CLI sandbox.
     writable_roots: Vec<String>,
+    /// Variables d'environnement préparées au lancement (ex. `CODEX_HOME` isolé).
+    env: Vec<(String, String)>,
     /// Id de conversation **du moteur** Codex, capté au premier tour, `None` avant.
     conversation_id: Mutex<Option<String>>,
     /// Plan de sandbox OS **par lancement** (lot LP4-4), porté dans chaque
@@ -146,6 +148,7 @@ impl CodexExecSession {
         cwd: impl Into<String>,
         seed_conversation_id: Option<String>,
         writable_roots: Vec<String>,
+        env: Vec<(String, String)>,
         sandbox: Option<SandboxPlan>,
         sandbox_enforcer: Option<Arc<dyn SandboxEnforcer>>,
     ) -> Self {
@@ -154,6 +157,7 @@ impl CodexExecSession {
             command: command.into(),
             cwd: cwd.into(),
             writable_roots,
+            env,
             conversation_id: Mutex::new(seed_conversation_id),
             sandbox,
             sandbox_enforcer,
@@ -196,7 +200,7 @@ impl CodexExecSession {
             command: self.command.clone(),
             args,
             cwd: self.cwd.clone(),
-            env: Vec::new(),
+            env: self.env.clone(),
             stdin: None,
             sandbox: self.sandbox.clone(),
         }