photoshop_apply_smart_blur

Apply the Smart Blur filter to the active raster layer — edge-preserving blur for smoothing skin or simplifying backgrounds. Users often say: smart blur, edge-preserving blur, smooth skin blur, blur but keep edges. Use when: subtle smoothing that respects edges (portraits, product cleanup). Do NOT use on text, Smart Objects, or the Background layer — rasterize first (photoshop_rasterize_layer). Do NOT use when: uniform blur is enough — use photoshop_apply_gaussian_blur. Returns: JSON { ok, summary, details: { filter, radius, threshold, mode, quality, context } }. Preconditions: active document; normal (raster) layer selected. Side effects: one history step.