feat(2688): `--watch` for changes

[beelchester]

fixes: #2688 /claim #2688

Example

https://github.com/user-attachments/assets/af86d3a8-7c22-45a6-aeb8-ff42fa99d5da

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0.66225% with 150 lines in your changes missing coverage. Please review.

Project coverage is 87.11%. Comparing base (b3261e4) to head (0007f39). Report is 64 commits behind head on main.

Files with missing lines	Patch %	Lines
src/cli/tc/start.rs	0.00%	139 Missing :warning:
src/cli/server/http_server.rs	0.00%	8 Missing :warning:
src/cli/tc/run.rs	0.00%	2 Missing :warning:
src/cli/command.rs	0.00%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2707      +/-   ##
==========================================
- Coverage   87.55%   87.11%   -0.44%     
==========================================
  Files         275      275              
  Lines       27256    27393     +137     
==========================================
  Hits        23863    23863              
- Misses       3393     3530     +137     

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[github-actions[bot]]

Action required: PR inactive for 5 days. Status update or closure in 10 days.

[tusharmath]

On restarts the server should only log the following:

[INFO] Reloaded configuration ./examples/jsonplacholder.graphql

@beelchester

Validation errors don't show up in the restarts

Write an invalid configuration and start the server, it doesn't show any error.

[github-actions[bot]]

Action required: PR inactive for 5 days. Status update or closure in 10 days.

[github-actions[bot]]

Action required: PR inactive for 5 days. Status update or closure in 10 days.

[tusharmath]

Moving to draft to reduce noise and improve CI efficiency. Once you are ready just mark it as "ready to review". Feel free to give a shoutout on the #contributors channel on Discord if you want immediate attention.

[github-actions[bot]]

Action required: PR inactive for 5 days. Status update or closure in 10 days.

[github-actions[bot]]

Action required: PR inactive for 5 days. Status update or closure in 10 days.

[github-actions[bot]]

Action required: PR inactive for 5 days. Status update or closure in 10 days.

[github-actions[bot]]

Action required: PR inactive for 5 days. Status update or closure in 10 days.

[github-actions[bot]]

PR closed after 10 days of inactivity.