feat(gui): add ANSI escape sequence renderer with full panel integration

- new ansi_render module: SGR, cursor movement, erase, scroll
- integrate ANSI rendering into console panel output pipeline
- wire app_state, buffers, hex_view, and shortcuts for ANSI-aware display
- add test_ansi.py for manual ANSI sequence testing

crates/pipeview-gui/src/panels/console.rs

@@ -1,3 +1,4 @@
+use crate::ansi_render::{ansi_to_layout_job, ansi_to_layout_job_highlighted};
 use crate::app::{DisplayOptions, SearchState};
 use crate::buffers::{ConsoleLine, LineDirection, TextBuffer};
 use egui::{
@@ -31,42 +32,6 @@ pub fn render(
     line_count
 }
 
-fn highlight_matches(
-    text: &str,
-    query: &str,
-    case_sensitive: bool,
-    default_format: TextFormat,
-    highlight_format: TextFormat,
-) -> LayoutJob {
-    let search_text = if case_sensitive {
-        text.to_string()
-    } else {
-        text.to_lowercase()
-    };
-    let query = if case_sensitive {
-        query.to_string()
-    } else {
-        query.to_lowercase()
-    };
-    let mut job = LayoutJob::default();
-    let mut last_end = 0;
-    let mut idx = 0;
-    while let Some(pos) = search_text[idx..].find(&query) {
-        let start = idx + pos;
-        let end = start + query.len();
-        if last_end < start {
-            job.append(&text[last_end..start], 0.0, default_format.clone());
-        }
-        job.append(&text[start..end], 0.0, highlight_format.clone());
-        last_end = end;
-        idx = end;
-    }
-    if last_end < text.len() {
-        job.append(&text[last_end..], 0.0, default_format);
-    }
-    job
-}
-
 fn monospace_format(style: &egui::Style) -> TextFormat {
     TextFormat {
         font_id: style
@@ -121,9 +86,13 @@ pub fn format_console_line(
     };
 
     match search {
-        Some(state) if state.active && !state.query.is_empty() => {
-            highlight_matches(&full_text, &state.query, state.case_sensitive, default, highlight)
-        }
-        _ => LayoutJob::single_section(full_text, default),
+        Some(state) if state.active && !state.query.is_empty() => ansi_to_layout_job_highlighted(
+            &full_text,
+            default,
+            &state.query,
+            state.case_sensitive,
+            highlight,
+        ),
+        _ => ansi_to_layout_job(&full_text, default),
     }
 }