Reduce unused warnings in tests and helpers

src/mir/builder/control_flow/joinir/patterns/ast_feature_extractor.rs

@@ -57,17 +57,16 @@ use pattern_recognizers::carrier_count::count_carriers_in_body;
 
 // Re-export parse_number pattern detection
 pub use pattern_recognizers::parse_number::{
-    detect_parse_number_pattern, detect_read_digits_loop_true_pattern, ParseNumberInfo,
-    ReadDigitsLoopTrueInfo,
+    detect_parse_number_pattern, detect_read_digits_loop_true_pattern,
 };
 
 // Re-export parse_string pattern detection
 pub use pattern_recognizers::parse_string::{
-    detect_continue_pattern, detect_parse_string_pattern, ContinuePatternInfo, ParseStringInfo,
+    detect_continue_pattern, detect_parse_string_pattern,
 };
 
 // Re-export skip_whitespace pattern detection
-pub use pattern_recognizers::skip_whitespace::{detect_skip_whitespace_pattern, SkipWhitespaceInfo};
+pub use pattern_recognizers::skip_whitespace::detect_skip_whitespace_pattern;
 
 // Re-export escape pattern recognizer (existing module, not moved in P1)
 pub use super::escape_pattern_recognizer::detect_escape_skip_pattern;

src/mir/builder/control_flow/joinir/patterns/pattern2/api/promote_runner.rs

@@ -22,7 +22,7 @@ pub(in crate::mir::builder) fn try_promote(
     body: &[ASTNode],
     inputs: Pattern2Inputs,
     debug: bool,
-    verbose: bool,
+    _verbose: bool,
 ) -> Result<PromoteDecision, String> {
     let mut inputs = inputs;
     use crate::mir::join_ir::lowering::digitpos_condition_normalizer::DigitPosConditionNormalizer;

src/mir/builder/control_flow/joinir/patterns/pattern6_scan_with_init.rs

@@ -484,8 +484,3 @@ fn extract_scan_with_init_parts(
 
 // Phase 273 P0.1: cf_loop_pattern6_scan_with_init_impl() removed (migrated to plan/lowerer.rs)
 // The implementation is now in PlanLowerer::lower_scan_with_init()
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-}

src/mir/builder/control_flow/joinir/patterns/pattern8_scan_bool_predicate.rs

@@ -398,7 +398,7 @@ pub(crate) fn lower(
     let ret_false_bb = builder.next_block_id();
 
     // Add Jump from current block to header_bb (to terminate the previous block)
-    if let Some(current) = builder.current_block {
+    if let Some(_current) = builder.current_block {
         builder.emit_instruction(MirInstruction::Jump {
             target: header_bb,
             edge_args: None,

src/mir/builder/control_flow/joinir/patterns/policies/normalized_shadow_suffix_router_box.rs

@@ -103,7 +103,6 @@ impl NormalizedShadowSuffixRouterBox {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
     use crate::ast::{ASTNode, LiteralValue, Span};
 
     #[test]

src/mir/builder/control_flow/joinir/patterns/trim_loop_lowering.rs

@@ -515,10 +515,10 @@ impl TrimLoopLowerer {
     /// 1. Carrier variable (e.g., "is_ch_match")
     /// 2. Original variable (e.g., "ch") - mapped to same JoinIR ValueId
     fn setup_condition_env_bindings(
-        builder: &mut MirBuilder,
+        _builder: &mut MirBuilder,
         trim_helper: &crate::mir::loop_pattern_detection::trim_loop_helper::TrimLoopHelper,
         break_semantics: BreakSemantics,
-        alloc_join_value: &mut dyn FnMut() -> ValueId,
+        _alloc_join_value: &mut dyn FnMut() -> ValueId,
     ) -> Result<(Vec<ConditionBinding>, Option<crate::mir::join_ir::lowering::common::condition_only_emitter::ConditionOnlyRecipe>), String> {
         
         use crate::mir::join_ir::lowering::common::condition_only_emitter::ConditionOnlyRecipe;