refactor!: remove dynamic dispatcher registration API

Dispatchers are now always registered at compile time, removing the
`with_dispatcher` / `with_dispatchers` methods and the
`PathfinderConfig` API. The `dispatch_tree` feature now only controls
the matching strategy (trie vs linear list).

1 files changed, 11 insertions, 26 deletions

diff --git a/mingling_pathf/src/patterns/dispatcher.rs b/mingling_pathf/src/patterns/dispatcher.rs
index 56d2b97..5090052 100644
--- a/mingling_pathf/src/patterns/dispatcher.rs
+++ b/mingling_pathf/src/patterns/dispatcher.rs
@@ -3,7 +3,7 @@
 //! extracts the generated type names from its arguments. It supports:
 //! - `Entry*` — the entry type (always generated)
 //! - `CMD*` — the dispatcher struct (always generated)
-//! - `__internal_dispatcher_*` — the dispatch tree static (when `use_dispatch_tree` is `true`)
+//! - `__internal_dispatcher_*` — the compile-time collected static (always generated)
 //!
 //! Supported forms:
 //! - Explicit: `dispatcher!("greet", CMDGreet => EntryGreet)`
@@ -19,23 +19,15 @@ use crate::pattern_analyzer::{AnalyzeItem, AnalyzePattern};
 /// Matches the `dispatcher!` macro, extracts:
 /// - `Entry*` — the entry type (always)
 /// - `CMD*` — the dispatcher struct (always)
-/// - `__internal_dispatcher_*` — dispatch tree static (when `use_dispatch_tree` is true)
-pub struct DispatcherPattern {
-    /// Whether the dispatcher generates a dispatch tree static (`__internal_dispatcher_*`).
-    pub use_dispatch_tree: bool,
-}
+/// - `__internal_dispatcher_*` — the compile-time collected static (always)
+#[derive(Default)]
+pub struct DispatcherPattern;
 
 impl DispatcherPattern {
     /// Creates a new `DispatcherPattern`.
-    ///
-    /// # Arguments
-    ///
-    /// * `use_dispatch_tree` — when `true`, the generated dispatcher also produces a
-    ///   `__internal_dispatcher_*` static dispatch tree item. Set this based on whether
-    ///   your macro invocation includes the `use_dispatch_tree` configuration.
     #[must_use]
-    pub const fn new(use_dispatch_tree: bool) -> Self {
-        Self { use_dispatch_tree }
+    pub const fn new() -> Self {
+        Self
     }
 }
 
@@ -62,7 +54,7 @@ impl AnalyzePattern for DispatcherPattern {
                     if macro_name != "dispatcher" {
                         continue;
                     }
-                    items.extend(extract_all_types(&m.mac.tokens, "", self.use_dispatch_tree));
+                    items.extend(extract_all_types(&m.mac.tokens, ""));
                 }
                 Item::Mod(item_mod) => {
                     if let Some((_, nested)) = &item_mod.content {
@@ -74,7 +66,6 @@ impl AnalyzePattern for DispatcherPattern {
                                 items.extend(extract_all_types(
                                     &m.mac.tokens,
                                     &item_mod.ident.to_string(),
-                                    self.use_dispatch_tree,
                                 ));
                             }
                         }
@@ -98,11 +89,7 @@ fn macro_simple_name(m: &syn::ItemMacro) -> String {
 }
 
 /// Extracts all types generated by a `dispatcher!` call.
-fn extract_all_types(
-    tokens: &proc_macro2::TokenStream,
-    module: &str,
-    use_dispatch_tree: bool,
-) -> Vec<AnalyzeItem> {
+fn extract_all_types(tokens: &proc_macro2::TokenStream, module: &str) -> Vec<AnalyzeItem> {
     let (cmd_name, cmd_struct, entry_struct) = parse_dispatcher_args(tokens);
     let Some(cmd_name) = cmd_name else {
         return Vec::new();
@@ -120,11 +107,9 @@ fn extract_all_types(
         items.push(AnalyzeItem::local(module.to_string(), cmd.clone()));
     }
 
-    // __internal_dispatcher_* — when configured
-    if use_dispatch_tree {
-        let internal_name = format!("__internal_dispatcher_{}", snake_case(&cmd_name));
-        items.push(AnalyzeItem::local(module.to_string(), internal_name));
-    }
+    // __internal_dispatcher_* — the compile-time collected static
+    let internal_name = format!("__internal_dispatcher_{}", snake_case(&cmd_name));
+    items.push(AnalyzeItem::local(module.to_string(), internal_name));
 
     items
 }