pass #1 of bug fixes

[debbly]

Description

Bug fixes in V2 and some in V3 docs. First pass of broken links since these PR's can get pretty big.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Checklist:

General

• I have performed a self-review of my code
• I have fixed all grammar issues (can use an AI tool to check), and explanations are in active voice
• I have checked the additions are concise
• Language is consistent with existing documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published (ie. SDK changes, node dependencies)

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