Add equipment overview and image prompt docs

dokumenter/dalle_prompts.md

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+# DALL-E / AI billedgenerator prompts – Vandingssystem
+
+Brug disse prompts sammen med dine fotos i ChatGPT (GPT-4o), DALL-E 3,
+Midjourney, Gemini eller anden AI-billedgenerator.
+
+**Tip:** ChatGPT med GPT-4o er pt. bedst til at bevare det originale foto
+og kun tilføje elementer. Sig: *"Use this photo as a base and add the
+following..."*
+
+---
+
+## Prompt 1 – Vandhane-station
+
+*Brug med foto af nordmur med vandhane, slangerulle og stikkontakt.*
+
+```
+Using this photo of the north wall of a Danish house as reference,
+add the following installation while keeping the existing wall,
+window, hose reel, water tap and electrical outlet exactly as they are:
+
+- A weatherproof grey IP65 enclosure (approx 30x20x15 cm) mounted on
+  the wall next to the existing electrical outlet, with a small
+  OpenSprinkler controller visible through a transparent lid
+- A Y-splitter on the existing water tap, with one branch going to
+  the existing garden hose and the other branch going down to a
+  small manifold containing: a brass 24V solenoid valve, a blue
+  Dosatron fertilizer injector, a water filter and a pressure regulator
+- A 20-liter white plastic jerrycan on the ground next to the
+  manifold, connected to the Dosatron with a thin suction tube
+- A 25mm black PE irrigation pipe leaving the manifold and
+  disappearing into the ground, heading across the lawn
+- A thin low-voltage cable running parallel to the PE pipe
+
+Photorealistic, same lighting and perspective as the original photo,
+Scandinavian garden style, daytime.
+```
+
+---
+
+## Prompt 2 – Højbede med ventilbox
+
+*Brug med foto af de tre højbede med drivhus i baggrunden.*
+
+```
+Using this photo of three Danish raised garden beds (højbede) with
+asparagus and rhubarb, add the following irrigation installation
+while keeping the beds, plants and greenhouse in the background
+exactly as they are:
+
+- A black 25mm PE irrigation pipe coming up from the lawn between
+  the first raised bed and the second/third raised beds
+- A green plastic valve box (approx 40x30 cm, IP65) buried flush
+  with the gravel path between the beds, with the lid visible at
+  ground level showing "Irrigation" text
+- Black drip irrigation soaker hoses (siveslange) laid on the
+  soil surface in each of the three raised beds, in a snake pattern
+- The PE pipe continuing from the valve box towards the greenhouse
+  in the background, disappearing under the greenhouse foundation
+
+Photorealistic, same lighting and perspective as the original photo,
+Scandinavian garden, summer daytime.
+```
+
+---
+
+## Prompt 3 – Drivhus indvendigt
+
+*Brug med foto af drivhus indefra med de tre sorte kapillærkasser.*
+
+```
+Using this photo of the inside of a Danish hobby greenhouse with
+three black self-watering capillary boxes on a shelf, add the
+following irrigation installation while keeping the greenhouse
+structure, plants, shelving and capillary boxes exactly as they are:
+
+- A black 25mm PE irrigation pipe coming up vertically through one
+  of the floor tiles near the entrance
+- The pipe splitting via a T-fitting into two branches:
+  1. A black drip irrigation soaker hose laid along the soil bed
+  2. A thin 16mm tube going up to the shelf with the capillary boxes
+- Three small white plastic float valves (mini-flydventil), one
+  mounted on each of the three capillary boxes, each connected to
+  the 16mm tube via small black drip fittings
+
+Photorealistic, same lighting and perspective as the original photo,
+greenhouse interior, daytime, lush plants.
+```
+
+---
+
+## Tips til de forskellige AI-værktøjer
+
+- **ChatGPT (GPT-4o):** Bedst til at bevare originalbillede. Upload foto
+  + indsæt prompt. Sig evt. *"only add the new components, do not change
+  anything else in the photo"* hvis den ændrer for meget.
+- **DALL-E 3 standalone:** Genererer ofte ny scene. Brug
+  *"in the style of this photo"* i stedet for *"using this photo"*.
+- **Midjourney:** Brug `/describe` på dit foto først, eller `--sref
+  <billed-url>` som style reference sammen med prompten.
+- **Gemini 2.0 Flash / 2.5:** God billedredigering – upload foto og bed
+  den om at tilføje elementerne.
+- **Adobe Firefly / Photoshop Generative Fill:** Bedst hvis du vil
+  redigere kun bestemte områder af fotoet med en mindre prompt.
+
+## Hvis resultatet bliver underligt
+
+- Prøv: *"only add the new irrigation components, do not change anything
+  else in the photo, preserve the original lighting and perspective"*
+- Del op i mindre prompts (én komponent ad gangen)
+- Brug billede-til-billede med lav strength (0.3-0.5) hvis værktøjet
+  understøtter det