fix(#2930): simplified phi grammar + fixed bug with dispatch after formation

[maxonfjvipon]

Ref: #2930

What's done:

• Simplified Phi grammar
• Resolved bug with dispatch after formation

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PR-Codex overview

This PR refactors the parser and YAML files, updates object handling, and improves listener methods for better code organization.

Detailed summary

• Refactored parser rules and listener methods
• Updated object handling in parser
• Added new object properties in listener methods

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[maxonfjvipon]

@yegor256 please have a look

[yegor256]

@rultor merge

[rultor]

@rultor merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@yegor256 Done! FYI, the full log is here (took me 23min)