feat: should cut down prompts when they exceed the max token length

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 15 lines in your changes are missing coverage. Please review.

Project coverage is 12.26%. Comparing base (7526032) to head (941e993).

Files	Patch %	Lines
...ntentions/action/task/SimilarCodeCompletionTask.kt	0.00%	13 Missing :warning:
...devti/intentions/action/task/BaseCompletionTask.kt	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #127 +/- ## ========================================== - Coverage 12.27% 12.26% -0.02% ========================================== Files 473 473 Lines 11036 11045 +9 Branches 2111 2114 +3 ========================================== Hits 1355 1355 - Misses 9426 9435 +9 Partials 255 255 ```

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