docs: remove podcast maker binary screenshot assets

docs-site/docs/features/podcast-maker/implementation-overview.md

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+# Podcast Maker Implementation Overview
+
+Podcast Maker orchestrates a multi-stage content pipeline: project configuration, research grounding, script composition, media rendering, and publish-state tracking.
+
+## Architecture & Data Flow
+
+```mermaid
+flowchart LR
+    UI[Podcast Maker UI]
+    API[Podcast API Router]
+    PROJ[Project Service]
+    RESEARCH[Research Handler]
+    SCRIPT[Script Handler]
+    RENDER[Audio/Video Render Handlers]
+    STORE[(Podcast Tables)]
+    JOBS[(Render Queue)]
+
+    UI --> API
+    API --> PROJ
+    API --> RESEARCH
+    API --> SCRIPT
+    API --> RENDER
+
+    PROJ --> STORE
+    RESEARCH --> STORE
+    SCRIPT --> STORE
+    RENDER --> JOBS
+    RENDER --> STORE
+
+    JOBS --> UI
+    STORE --> UI
+```
+
+## Component Responsibilities
+
+- **UI layer**: captures project metadata, persona settings, and script/editor actions.
+- **API router**: central endpoint registration and request dispatch.
+- **Research and script handlers**: generate, validate, and persist episode knowledge and narration assets.
+- **Render handlers**: combine narration, visuals, and scene timing into draft/final media outputs.
+- **Storage + queue**: maintain immutable version history and asynchronous job state.