feat(seaborn): implement surface-basic (#1305)

## Implementation: `surface-basic` - seaborn

Implements the **seaborn** version of `surface-basic`.

**File:** `plots/surface-basic/implementations/seaborn.py`

**Parent Issue:** #1013

---
:robot: *[impl-generate
workflow](https://github.com/MarkusNeusinger/pyplots/actions/runs/20304611493)*

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

plots/surface-basic/implementations/seaborn.py

@@ -0,0 +1,47 @@
+"""
+surface-basic: Basic 3D Surface Plot
+Library: seaborn
+"""
+
+import matplotlib.pyplot as plt
+import numpy as np
+import seaborn as sns
+
+
+# Set seaborn style for better aesthetics
+sns.set_theme(style="whitegrid")
+
+# Data - create a 40x40 grid for smooth visualization
+x = np.linspace(-4, 4, 40)
+y = np.linspace(-4, 4, 40)
+X, Y = np.meshgrid(x, y)
+
+# Gaussian-like surface with interesting features
+Z = np.sin(np.sqrt(X**2 + Y**2)) * np.exp(-0.1 * (X**2 + Y**2))
+
+# Create 3D plot (4800x2700 px)
+fig = plt.figure(figsize=(16, 9))
+ax = fig.add_subplot(111, projection="3d")
+
+# Plot surface with colormap
+surf = ax.plot_surface(X, Y, Z, cmap="viridis", edgecolor="none", alpha=0.9, antialiased=True)
+
+# Add colorbar to show value scale
+cbar = fig.colorbar(surf, ax=ax, shrink=0.5, aspect=10, pad=0.1)
+cbar.set_label("Z Value", fontsize=16)
+cbar.ax.tick_params(labelsize=12)
+
+# Labels and styling (scaled font sizes for 4800x2700)
+ax.set_xlabel("X Axis", fontsize=18, labelpad=12)
+ax.set_ylabel("Y Axis", fontsize=18, labelpad=12)
+ax.set_zlabel("Z Axis", fontsize=18, labelpad=12)
+ax.set_title("surface-basic · seaborn · pyplots.ai", fontsize=24, pad=20)
+
+# Tick parameters
+ax.tick_params(axis="both", labelsize=14)
+
+# Set viewing angle for good perspective
+ax.view_init(elev=30, azim=45)
+
+plt.tight_layout()
+plt.savefig("plot.png", dpi=300, bbox_inches="tight")

plots/surface-basic/metadata/seaborn.yaml

@@ -0,0 +1,23 @@
+# Per-library metadata for seaborn implementation of surface-basic
+# Auto-generated by impl-generate.yml
+
+library: seaborn
+specification_id: surface-basic
+
+# Preview URLs (filled by workflow)
+preview_url: https://storage.googleapis.com/pyplots-images/plots/surface-basic/seaborn/plot.png
+preview_thumb: https://storage.googleapis.com/pyplots-images/plots/surface-basic/seaborn/plot_thumb.png
+preview_html: null
+
+current:
+  version: 0
+  generated_at: 2025-12-17T13:36:25Z
+  generated_by: claude-opus-4-5-20251101
+  workflow_run: 20304611493
+  issue: 1013
+  quality_score: 92
+  # Version info (filled by workflow)
+  python_version: "3.13.11"
+  library_version: "unknown"
+
+history: []