feat: v0.7.0 — registre de providers LLM : am providers list/show/add/remove/default, settings.providers + default_provider (closes #88)

src/cli.rs

@@ -192,6 +192,8 @@ pub enum Command {
     /// Manage remote catalogs: update the official one, add external ones
     #[command(subcommand)]
     Catalog(CatalogCmd),
+    /// Manage the LLM provider registry: base URLs, models, default provider
+    Providers(ProviderArgs),
     /// Suggest agents matching a query, boosted by real usage (issue #61)
     Suggest {
         /// Free-form request ("un agent pour du Python")
@@ -634,6 +636,49 @@ pub enum CatalogCmd {
     List,
 }
 
+/// LLM provider registry subcommands (issue #88). The subcommand is
+/// optional: `am providers` alone lists the registry.
+#[derive(Args, Debug, Clone, Default)]
+pub struct ProviderArgs {
+    #[command(subcommand)]
+    pub sub: Option<ProvidersCmd>,
+}
+
+#[derive(Subcommand, Debug, Clone)]
+pub enum ProvidersCmd {
+    /// List the registered providers (the default one is starred)
+    List,
+    /// Show one provider in detail (base URL, models, default model)
+    Show {
+        /// Provider name
+        name: String,
+    },
+    /// Register a provider, or update an existing one
+    Add {
+        /// Provider name (lowercase slug, e.g. openai)
+        name: String,
+        /// Base URL of the provider API
+        #[arg(long, value_name = "URL", required = true)]
+        base_url: String,
+        /// Model used by default for this provider
+        #[arg(long, value_name = "MODEL")]
+        model: Option<String>,
+        /// Comma-separated model list
+        #[arg(long, value_name = "MODELS")]
+        models: Option<String>,
+    },
+    /// Remove a provider from the registry
+    Remove {
+        /// Provider name
+        name: String,
+    },
+    /// Set the default provider
+    Default {
+        /// Provider name
+        name: String,
+    },
+}
+
 /// Environment profile subcommands (issue #40).
 #[derive(Subcommand, Debug, Clone)]
 pub enum ProfileCmd {