Remove Heise partnership code

Heise is no longer a partner. Remove all code related to Heise document generation and email sending, including the heise-integration hook, document specification, and related schema fields. Also remove outdated tasks.md planning document.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

Author: denbec

directus-cms/docs/asset_generation.md

@@ -30,7 +30,7 @@ Stores template configurations for asset generation:
 | Field | Description |
 |-------|-------------|
 | `name` | Descriptive name for the template |
-| `asset_type` | Type of asset (episode_cover, speaker_portrait, heise_banner, etc.) |
+| `asset_type` | Type of asset (episode_cover, speaker_portrait, social_linkedin, etc.) |
 | `episode_type` | Specific episode type this template applies to (null = all types) |
 | `title_contains` | Only match podcasts whose title contains this text, case-insensitive (null = all titles) |
 | `active` | Whether this template is currently in use |
@@ -153,7 +153,6 @@ The setup script creates default templates for:
 - Episode Cover - Deep Dive
 - Episode Cover - News
 - Speaker Portrait
-- Heise Banner
 - LinkedIn Post Image
 - Instagram Post Image
 

directus-cms/docs/heise_document_spec.md

@@ -94,11 +94,6 @@
                 "name": "speaker-portal-notifications",
                 "source": "src/speaker-portal-notifications/index.ts"
             },
-            {
-                "type": "hook",
-                "name": "heise-integration",
-                "source": "src/heise-integration/index.ts"
-            },
             {
                 "type": "endpoint",
                 "name": "conference",

directus-cms/extensions/directus-extension-programmierbar-bundle/package.json

@@ -402,14 +402,6 @@ export async function generateAssetsForPodcast(hookName: string, podcastId: numb
                     logger.info(`${hookName}: Updated podcast cover_image to ${fileId}`)
                 } else if (template.asset_type === 'episode_cover' && podcast.cover_image) {
                     logger.info(`${hookName}: Skipping cover_image update - already has a value`)
-                } else if (template.asset_type === 'heise_banner' && !podcast.banner_image) {
-                    await podcastsService.updateOne(podcastId, {
-                        banner_image: fileId,
-                    })
-                    podcast.banner_image = fileId
-                    logger.info(`${hookName}: Updated podcast banner_image to ${fileId}`)
-                } else if (template.asset_type === 'heise_banner' && podcast.banner_image) {
-                    logger.info(`${hookName}: Skipping banner_image update - already has a value`)
                 }
 
                 successCount++