chore: auto-commit (4 archivos)

- app.md
- appicon.ico
- playground/tables/data_table_logic.h
- playground/tables/DEPRECATED.md

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

playground/tables/data_table_logic.h

@@ -177,30 +177,9 @@ std::string build_csv(const char* const* cells, int rows, int cols,
                       const std::vector<int>&  visible_rows);
 
 // ----------------------------------------------------------------------------
-// Column statistics (no movido todavia al registry).
+// Column statistics — desde v1.5.0, ColStats + HIST_BINS + compute_column_stats
+// viven en core/compute_column_stats.h (transitivamente via data_table_types.h).
+// El playground los reutiliza directo, sin redefinir.
 // ----------------------------------------------------------------------------
-struct ColStats {
-    int    total          = 0;
-    int    empty_count    = 0;
-    int    unique_count   = 0;
-    bool   unique_capped  = false;
-    bool   numeric        = false;
-    int    numeric_count  = 0;
-    double min            = 0;
-    double max            = 0;
-    double sum            = 0;
-    double mean           = 0;
-    double p25            = 0;
-    double p50            = 0;
-    double p75            = 0;
-    std::vector<float> hist;
-    std::vector<std::pair<std::string,int>> top_categories;
-};
-
-constexpr int HIST_BINS = 24;
-
-ColStats compute_column_stats(const char* const* cells, int rows, int cols,
-                              int col, int unique_cap = 100000,
-                              const int* indices = nullptr, int n_indices = 0);
 
 } // namespace data_table