feat(trees): expand from 1 to 87 algorithms with 5 new tracker variants

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        shard: [1/10, 2/10, 3/10, 4/10, 5/10, 6/10, 7/10, 8/10, 9/10, 10/10]
+        shard: [1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12, 12/12]
     steps:
       - uses: actions/checkout@v6
 
@@ -80,7 +80,24 @@ jobs:
       fail-fast: false
       matrix:
         shard:
-          [1/14, 2/14, 3/14, 4/14, 5/14, 6/14, 7/14, 8/14, 9/14, 10/14, 11/14, 12/14, 13/14, 14/14]
+          [
+            1/16,
+            2/16,
+            3/16,
+            4/16,
+            5/16,
+            6/16,
+            7/16,
+            8/16,
+            9/16,
+            10/16,
+            11/16,
+            12/16,
+            13/16,
+            14/16,
+            15/16,
+            16/16,
+          ]
     steps:
       - uses: actions/checkout@v6
 

.github/workflows/deploy.yml

@@ -46,7 +46,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        shard: [1/10, 2/10, 3/10, 4/10, 5/10, 6/10, 7/10, 8/10, 9/10, 10/10]
+        shard: [1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 11/12, 12/12]
     steps:
       - uses: actions/checkout@v6
 

README.md

@@ -8,7 +8,7 @@ Algorithm visualization web app for learners. Step through algorithms with synch
 
 ## Features
 
-- **367 Algorithms across 14 Categories** with interactive visualizations (bar charts, SVG graphs/trees, CSS grids, DP tables, and more)
+- **452 Algorithms across 14 Categories** with interactive visualizations (bar charts, SVG graphs/trees, CSS grids, DP tables, and more)
 - **Multi-Language Code Display**: TypeScript, Python, and Java with synchronized line highlighting via Monaco Editor
 - **Step-by-Step Playback**: Play, pause, step forward/backward, scrub, adjustable speed (0.25x–4x)
 - **Category-Specific Input Editors**: Editable arrays, targets, grids, text patterns, and matrices
@@ -19,7 +19,7 @@ Algorithm visualization web app for learners. Step through algorithms with synch
 
 ## Algorithms
 
-**367 algorithms across 14 categories**: Sorting (53 algorithms across 9 technique subcategories), Searching, Graph (28 algorithms across 10 technique subcategories), Pathfinding (27 algorithms across 5 technique subcategories), Dynamic Programming (32 algorithms across 6 technique subcategories), Arrays (44 algorithms across 11 technique subcategories), Trees, Linked Lists, Heaps (28 algorithms across 4 technique subcategories), Stacks & Queues (28 algorithms across 8 technique subcategories), Hash Maps (28 algorithms across 8 technique subcategories), Strings (32 algorithms across 6 technique subcategories), Matrices (20 algorithms across 5 technique subcategories), and Sets (19 algorithms across 5 technique subcategories).
+**452 algorithms across 14 categories**: Sorting (53 algorithms across 9 technique subcategories), Searching, Graph (28 algorithms across 10 technique subcategories), Pathfinding (27 algorithms across 5 technique subcategories), Dynamic Programming (32 algorithms across 6 technique subcategories), Arrays (44 algorithms across 11 technique subcategories), Trees (87 algorithms across 6 technique subcategories), Linked Lists, Heaps (28 algorithms across 4 technique subcategories), Stacks & Queues (28 algorithms across 8 technique subcategories), Hash Maps (28 algorithms across 8 technique subcategories), Strings (32 algorithms across 6 technique subcategories), Matrices (20 algorithms across 5 technique subcategories), and Sets (19 algorithms across 5 technique subcategories).
 
 See the [full Algorithm Catalog](docs/algorithms-catalog.md) for the complete listing with visualizer descriptions and technique subcategories.
 
@@ -57,7 +57,7 @@ Welcome to the definitive map of AlgoFlow. We maintain 12 specialized guides map
 | Debug step-generation crashes      | 🐛 [Debugging](docs/debugging.md)                                 |
 | Work on UI layout or styling       | 💅 [Design System](docs/design-system.md)                         |
 | Write algorithm learning modules   | 📚 [Educational Content Guide](docs/educational-content-guide.md) |
-| Browse all 367 algorithms          | 🔍 [Algorithm Catalog](docs/algorithms-catalog.md)                |
+| Browse all 452 algorithms          | 🔍 [Algorithm Catalog](docs/algorithms-catalog.md)                |
 | Understand AI hooks & plugins      | 🤖 [Development System](docs/claude-system.md)                    |
 
 > [!TIP] > **First-time contributors:** Do not try to hack around aimlessly. Start strictly at the [New Developer Onboarding Guide](docs/onboarding.md). It dictates the hard boundary between the UI logic and the engine.
@@ -93,7 +93,7 @@ All complex operational instructions have been modularized:
 
 This repository leverages automatic pre-commit quality gates, git protection blocking direct pushes to `main`, and accessibility scanners.
 
-Please review the 12 active session hooks in the [Development System Guide](docs/claude-system.md#session-hooks) to understand the terminal environments preventing bad commits.
+Please review the 13 active session hooks in the [Development System Guide](docs/claude-system.md#session-hooks) to understand the terminal environments preventing bad commits.
 
 ## Development Plan