fix(android): replace forbidden Unicode chars in win_summary and splash (#52, #53)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

solitaire_engine/src/splash_plugin.rs

@@ -45,7 +45,7 @@
 //! progress-bar caption, palette label, eight palette swatches,
 //! version line).
 //!
-//! The trailing "▌ ready_" cursor pulse layers on top of the fade
+//! The trailing "| ready_" cursor pulse layers on top of the fade
 //! by carrying both [`SplashFadableBg`] and [`SplashCursorPulse`]:
 //! [`pulse_splash_cursor`] runs after [`advance_splash`] in the
 //! schedule chain and overwrites the cursor's `BackgroundColor`
@@ -109,7 +109,7 @@ impl Plugin for SplashPlugin {
     }
 }
 
-/// Period of the trailing "▌ ready_" pulse cursor, in seconds. ~1 s
+/// Period of the trailing "| ready_" pulse cursor, in seconds. ~1 s
 /// reads as a comfortable terminal-blink cadence — much faster reads
 /// as urgent (alarming on a hold-and-fade screen), much slower reads
 /// as listless. Held as a `const` rather than a token because it's
@@ -157,7 +157,7 @@ struct SplashFadableBg {
     base_color: Color,
 }
 
-/// Marks the trailing pulse cursor on the "▌ ready_" line. Carries
+/// Marks the trailing pulse cursor on the "| ready_" line. Carries
 /// `SplashFadableBg` too so it picks up the global fade-in / hold /
 /// fade-out timeline; [`pulse_splash_cursor`] runs *after*
 /// [`advance_splash`] in the chain and overwrites the
@@ -377,7 +377,7 @@ fn spawn_header_section(parent: &mut ChildSpawnerCommands, font_handle: &Handle<
         .with_children(|hdr| {
             hdr.spawn((
                 SplashFadable { base_color: ACCENT_PRIMARY },
-                Text::new("\u{258C}"), // ▌ — the Terminal cursor block.
+                Text::new("|"), // ASCII terminal cursor.
                 cursor_font,
                 TextColor(transparent(ACCENT_PRIMARY)),
             ));
@@ -431,7 +431,7 @@ fn spawn_centre_section(parent: &mut ChildSpawnerCommands, font_handle: &Handle<
         });
 }
 
-/// Boot-log column: three lime check rows + a "▌ ready_" line. Content
+/// Boot-log column: three lime check rows + a "| ready_" line. Content
 /// is fixture text, not driven from real bootstrap state — the splash
 /// is a brand beat, not a real loader. Capped at 480 px width on
 /// desktop (the design-system spec calls 70 % of mobile viewport,
@@ -483,8 +483,8 @@ fn spawn_check_row(parent: &mut ChildSpawnerCommands, line_font: &TextFont, labe
         });
 }
 
-/// "▌ ready_" line — visual signature of "boot complete, awaiting
+/// "| ready_" line — visual signature of "boot complete, awaiting
-/// input". The leading `▌` glyph picks up `TEXT_PRIMARY` rather than
+/// input". The leading `|` glyph picks up `TEXT_PRIMARY` rather than
 /// `ACCENT_PRIMARY` so it doesn't compete with the big accent cursor in
 /// the header; the *trailing* 6×12 px accent pulse Node ([`SplashCursorPulse`])
 /// is what carries the "alive, blinking" signal called for by the
@@ -503,12 +503,12 @@ fn spawn_ready_row(parent: &mut ChildSpawnerCommands, line_font: &TextFont) {
         .with_children(|row| {
             row.spawn((
                 SplashFadable { base_color: TEXT_PRIMARY },
-                Text::new("\u{258C} ready_"), // ▌ ready_
+                Text::new("| ready_"), // ASCII ready prompt.
                 line_font.clone(),
                 TextColor(transparent(TEXT_PRIMARY)),
             ));
             // Trailing 6×12 accent pulse cursor. Node-with-explicit-
-            // dimensions rather than a `█` text glyph so the size
+            // dimensions rather than a solid-block text glyph so the size
             // doesn't drift with the line font; matches the mockup's
             // 6×12 px spec literally. Pulse animation lives in
             // `pulse_splash_cursor` for testability.
@@ -1166,8 +1166,8 @@ mod tests {
             .map(|t| t.0.clone())
             .collect();
         assert!(
-            texts.iter().any(|t| t == "\u{258C}"),
+            texts.iter().any(|t| t == "|"),
-            "expected the cursor block (▌) on the splash, got: {texts:?}"
+            "expected the ASCII cursor (|) on the splash, got: {texts:?}"
         );
         assert!(
             texts.iter().any(|t| t == "Ferrous Solitaire"),

solitaire_engine/src/win_summary_plugin.rs

@@ -282,7 +282,7 @@ pub const SCORE_NO_UNDO_BONUS: i32 = 25;
 /// Time bonus ({m:ss})         +{time_bonus}
 /// No-undo bonus               +{no_undo_bonus}
 /// Mode multiplier ({mode} ×N) ×{multiplier}
-/// ─────────────────────────────────
+/// -----------------
 /// Total                        {total}
 /// ```
 ///
@@ -1019,11 +1019,11 @@ fn spawn_score_breakdown(
         row_index += 1;
     }
 
-    // 5. Separator — em-dashes spanning the visual width.
+    // 5. Separator — ASCII dashes spanning the visual width.
     spawn_breakdown_row(
         card,
-        "─────────────────",
+        "-----------------",
-        "─────".to_string(),
+        "-----".to_string(),
         TEXT_SECONDARY,
         anim_speed,
         stagger * row_index as f32,