feat: Add image generation capability to Telegram messaging

[0xTomDaniel]

Relates to:

N/A

Risks

Low. Image generation could be affected

Background

What does this PR do?

• Completes image generation functionality for Together provider
• Adds image generation functionality to Telegram

What kind of change is this?

Bug fixes (non-breaking change which fixes an issue)
Improvements (misc. changes to existing features)
Features (non-breaking change which adds functionality)

Testing

Where should a reviewer start?

Just follow testing steps below.

Detailed testing steps

1. (optionally) Add "imageModelProvider": "llama_cloud" to a character file
2. (optionally) Add a Together API key if using llama_cloud provider. Otherwise ensure there's an API key for the chosen `modelProvider"
3. Ask the agent on Telegram to generate an image.
4. Verify that an image is returned as requested.

[ponderingdemocritus]

nice work - left comments

Please add formatted comments into the plugin-image-generation

claude is your best friend here

[0xTomDaniel]

@ponderingdemocritus resolved your feedback

[monilpat]

Great work please resolve the merge conflicts and you are good to go : )

[monilpat]

Merge conflicts

[0xTomDaniel]

@monilpat Resolved everything and then another conflict occurred shortly afterward. Should be good now.

[monilpat]

LGTM after the latest changes!

[jkbrooks]

@monilpat @0xTomDaniel we failed linting, please resolve

Run pnpm run lint

> eliza@ lint /home/runner/work/eliza/eliza
> bash ./scripts/lint.sh

Linting package: plugin-conflux
No lint script found in plugin-conflux, skipping lint...
Linting package: client-direct
Running lint for package: client-direct

> @ai1[6](https://github.com/ai16z/eliza/actions/runs/12080760175/job/33691672543?pr=491#step:7:7)z/[email protected] lint
> eslint . --fix

Successfully linted client-direct

Linting package: plugin-image-generation
Running lint for package: plugin-image-generation

> @ai16z/[email protected] lint
> eslint . --fix


/home/runner/work/eliza/eliza/packages/plugin-image-generation/src/index.ts
Error:   13:[10](https://github.com/ai16z/eliza/actions/runs/12080760175/job/33691672543?pr=491#step:7:11)  error  'generateCaption' is defined but never used. Allowed unused vars must match /^_/u  @typescript-eslint/no-unused-vars

✖ 1 problem (1 error, 0 warnings)

npm error Lifecycle script `lint` failed with error:
npm error code 1
npm error path /home/runner/work/eliza/eliza/packages/plugin-image-generation
npm error workspace @ai[16](https://github.com/ai16z/eliza/actions/runs/12080760175/job/33691672543?pr=491#step:7:17)z/[email protected]
npm error location /home/runner/work/eliza/eliza/packages/plugin-image-generation
npm error command failed
npm error command sh -c eslint . --fix
Lint failed for plugin-image-generation
 ELIFECYCLE  Command failed with exit code 1.
Error: Process completed with exit code 1.

[odilitime]

Closed because of conflict resubmission #1505