implements PLN-0171 variable glyph palette test coverage

crates/console/prometeu-drivers/src/asset.rs

@@ -2184,6 +2184,29 @@ mod tests {
         );
     }
 
+    #[test]
+    fn test_decode_glyph_bank_rejects_mismatched_variable_serialized_size() {
+        let mut entry = test_glyph_asset_entry_with_palette_count("glyphs", 16, 16, 3);
+        entry.size += 1;
+
+        let err = match AssetManager::decode_glyph_bank_from_buffer(
+            &entry,
+            &test_glyph_asset_data_with_palette_count(3),
+        ) {
+            Ok(_) => panic!("glyph decode should reject invalid serialized size"),
+            Err(err) => err,
+        };
+
+        assert_eq!(
+            err,
+            format!(
+                "Invalid GLYPHBANK serialized size: expected {}, got {}",
+                expected_glyph_payload_size(16, 16, 3),
+                expected_glyph_payload_size(16, 16, 3) + 1
+            )
+        );
+    }
+
     #[test]
     fn test_op_mode_for_glyphs_none_stages_in_memory() {
         let entry = test_glyph_asset_entry("glyphs", 16, 16);

crates/tools/pbxgen-stress/src/lib.rs

@@ -14,7 +14,7 @@ use prometeu_hal::cartridge::{
 use prometeu_hal::color::Color;
 use prometeu_hal::glyph::Glyph;
 use prometeu_hal::glyph_bank::{
-    TileSize, GLYPH_BANK_COLORS_PER_PALETTE, GLYPH_BANK_PALETTE_COUNT_V1,
+    TileSize, GLYPH_BANK_COLORS_PER_PALETTE, GLYPH_BANK_MAX_PALETTE_COUNT_V1,
 };
 use prometeu_hal::scene_bank::SceneBank;
 use prometeu_hal::scene_layer::{ParallaxFactor, SceneLayer};
@@ -275,15 +275,16 @@ fn build_glyph_asset() -> (AssetEntry, Vec<u8>) {
         bank_type: BankType::GLYPH,
         offset: 0,
         size: payload.len() as u64,
-        decoded_size: (8 * 8 + GLYPH_BANK_PALETTE_COUNT_V1 * GLYPH_BANK_COLORS_PER_PALETTE * 4)
+        decoded_size: (8 * 8
+            + GLYPH_BANK_MAX_PALETTE_COUNT_V1 * GLYPH_BANK_COLORS_PER_PALETTE * 4)
             as u64,
         codec: AssetCodec::None,
         metadata: serde_json::json!({
             "tile_size": 8,
             "width": 8,
             "height": 8,
-            "palette_count": GLYPH_BANK_PALETTE_COUNT_V1,
+            "palette_count": GLYPH_BANK_MAX_PALETTE_COUNT_V1,
-            "palette_authored": GLYPH_BANK_PALETTE_COUNT_V1
+            "palette_authored": GLYPH_BANK_MAX_PALETTE_COUNT_V1
         }),
     };
 
@@ -292,8 +293,8 @@ fn build_glyph_asset() -> (AssetEntry, Vec<u8>) {
 
 fn build_palette_bytes() -> Vec<u8> {
     let mut bytes =
-        Vec::with_capacity(GLYPH_BANK_PALETTE_COUNT_V1 * GLYPH_BANK_COLORS_PER_PALETTE * 4);
+        Vec::with_capacity(GLYPH_BANK_MAX_PALETTE_COUNT_V1 * GLYPH_BANK_COLORS_PER_PALETTE * 4);
-    for palette_id in 0..GLYPH_BANK_PALETTE_COUNT_V1 {
+    for palette_id in 0..GLYPH_BANK_MAX_PALETTE_COUNT_V1 {
         for color_index in 0..GLYPH_BANK_COLORS_PER_PALETTE {
             let color = if color_index == 1 { stress_color(palette_id) } else { Color::BLACK };
             bytes.extend_from_slice(&color.raw().to_be_bytes());

discussion/index.ndjson

@@ -44,4 +44,4 @@
 {"type":"discussion","id":"DSC-0033","status":"done","ticket":"system-os-service-ownership-and-module-layout","title":"Agenda - SystemOS Service Ownership and Module Layout","created_at":"2026-05-14","updated_at":"2026-05-15","tags":["runtime","os","services","module-layout","vm","window-manager","logging"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0042","file":"discussion/lessons/DSC-0033-system-os-service-ownership-and-module-layout/LSN-0042-systemos-service-ownership-boundary.md","status":"done","created_at":"2026-05-15","updated_at":"2026-05-15"}]}
 {"type":"discussion","id":"DSC-0036","status":"done","ticket":"prometeu-hub-ui-direction","title":"Agenda - Prometeu Hub UI Direction","created_at":"2026-05-15","updated_at":"2026-05-22","tags":["hub","ui","shell","system-apps","lifecycle","design-system"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0045","file":"discussion/lessons/DSC-0036-prometeu-hub-ui-direction/LSN-0045-hub-ui-slices-should-prove-os-boundaries.md","status":"done","created_at":"2026-05-22","updated_at":"2026-05-22"}]}
 {"type":"discussion","id":"DSC-0037","status":"done","ticket":"rgba8888-framebuffer-and-pixel-format-direction","title":"Agenda - RGBA8888 Framebuffer and Pixel Format Direction","created_at":"2026-05-22","updated_at":"2026-05-23","tags":["gfx","framebuffer","rgb565","rgba8888","renderer","assets","host","backend"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0046","file":"discussion/lessons/DSC-0037-rgba8888-framebuffer-and-pixel-format-direction/LSN-0046-pixel-format-contracts-must-move-as-one-surface.md","status":"done","created_at":"2026-05-23","updated_at":"2026-05-23"}]}
-{"type":"discussion","id":"DSC-0046","status":"in_progress","ticket":"runtime-owned-variable-glyph-bank-palette-protocol","title":"Runtime-Owned Variable Glyph Bank Palette Protocol","created_at":"2026-07-14","updated_at":"2026-07-14","tags":["runtime","gfx","assets","glyph-bank","palette-serialization","protocol"],"agendas":[{"id":"AGD-0049","file":"AGD-0049-runtime-owned-variable-glyph-bank-palette-protocol.md","status":"accepted","created_at":"2026-07-14","updated_at":"2026-07-14"}],"decisions":[{"id":"DEC-0041","file":"DEC-0041-variable-glyph-bank-palette-protocol.md","status":"accepted","created_at":"2026-07-14","updated_at":"2026-07-14","ref_agenda":"AGD-0049"}],"plans":[{"id":"PLN-0167","file":"PLN-0167-spec-contract-update-for-variable-glyph-palettes.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0168","file":"PLN-0168-glyphbank-variable-palette-resident-model.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0169","file":"PLN-0169-asset-decode-validation-for-variable-glyph-palettes.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0170","file":"PLN-0170-composer-palette-reference-failure-semantics.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0171","file":"PLN-0171-variable-glyph-palette-tests-fixtures-and-residue-scan.md","status":"open","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0172","file":"PLN-0172-runtime-spec-handoff-to-packer-and-studio.md","status":"open","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]}],"lessons":[]}
+{"type":"discussion","id":"DSC-0046","status":"in_progress","ticket":"runtime-owned-variable-glyph-bank-palette-protocol","title":"Runtime-Owned Variable Glyph Bank Palette Protocol","created_at":"2026-07-14","updated_at":"2026-07-14","tags":["runtime","gfx","assets","glyph-bank","palette-serialization","protocol"],"agendas":[{"id":"AGD-0049","file":"AGD-0049-runtime-owned-variable-glyph-bank-palette-protocol.md","status":"accepted","created_at":"2026-07-14","updated_at":"2026-07-14"}],"decisions":[{"id":"DEC-0041","file":"DEC-0041-variable-glyph-bank-palette-protocol.md","status":"accepted","created_at":"2026-07-14","updated_at":"2026-07-14","ref_agenda":"AGD-0049"}],"plans":[{"id":"PLN-0167","file":"PLN-0167-spec-contract-update-for-variable-glyph-palettes.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0168","file":"PLN-0168-glyphbank-variable-palette-resident-model.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0169","file":"PLN-0169-asset-decode-validation-for-variable-glyph-palettes.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0170","file":"PLN-0170-composer-palette-reference-failure-semantics.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0171","file":"PLN-0171-variable-glyph-palette-tests-fixtures-and-residue-scan.md","status":"done","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]},{"id":"PLN-0172","file":"PLN-0172-runtime-spec-handoff-to-packer-and-studio.md","status":"open","created_at":"2026-07-14","updated_at":"2026-07-14","ref_decisions":["DEC-0041"]}],"lessons":[]}

discussion/workflow/plans/PLN-0171-variable-glyph-palette-tests-fixtures-and-residue-scan.md

@@ -2,7 +2,8 @@
 id: PLN-0171
 ticket: runtime-owned-variable-glyph-bank-palette-protocol
 title: Variable Glyph Palette Tests Fixtures and Residue Scan
-status: open
+status: done
+completed: 2026-07-14
 created: 2026-07-14
 ref_decisions: [DEC-0041]
 tags: [runtime, tests, fixtures, glyph-bank, palette-serialization]