Fix bug with dot notation field names

[brianlmoon]

No description provided.

[Copilot]

Pull request overview

This PR addresses failures when using dot-notation identifiers (e.g., schema.table, users.id) by improving identifier quoting and parameter placeholder generation in the CRUD helper, and adds connection-failure handling in the DB factory path.

Changes:

• Add dot-notation-aware identifier quoting (quoteField) and encode field names into valid PDO parameter names (fieldToParam) for WHERE/UPDATE clauses.
• Update CRUD factory creation to handle failed DB initialization.
• Change Factory::init() / Factory::build() to return false on connection errors instead of propagating \PDOException.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 8 comments.

File	Description
src/Factory.php	Changes connection construction to return false on \PDOException and updates public return types accordingly.
src/CRUD.php	Fixes dot-notation support by quoting dotted identifiers per segment and generating valid parameter placeholders for dotted field names.

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