Rrivera/subsystem common context tables

[rrivera747]

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[Copilot]

Pull request overview

This PR extends otsdaq’s “SubsystemCommon” mechanism to support Context-group common tables (and overrides) that can be propagated from a top-level Gateway to remote subsystems via periodic status requests, enabling dynamic updates of Context tables (e.g., StateMachineTable) on remote gateways. It also improves diagnostic error messages and tightens table-merge behavior.

Changes:

• Add new version-alias types SubsystemCommonContext / SubsystemCommonContextOverride, validate they only reference Context-group tables, and implement ConfigurationManager::applyContextCommonTables() to apply them to active tables.
• Extend Gateway-to-Gateway UDP status messaging to include pipe-delimited encoded Context Common table lists, parse/apply them on the remote side, and surface lists in status XML.
• Improve merge/apply correctness (e.g., mergeViews() tracks appended rows) and enhance runtime error messages for table operations.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
otsdaq/TableCore/TableView.cc	Improves exception messages with table/version/row/col context for easier debugging.
otsdaq/TableCore/TableBase.cc	Fixes mergeViews() bookkeeping by updating destSize when rows are appended.
otsdaq/GatewaySupervisor/GatewaySupervisor.h	Adds new command preambles and member state/mutex for Context Common table propagation.
otsdaq/GatewaySupervisor/GatewaySupervisor.cc	Implements Context Common table list caching, transport over status requests, remote parsing, and application to active Context tables.
otsdaq/ConfigurationInterface/ConfigurationTree.cc	Adjusts debug logging verbosity for bitmap parsing.
otsdaq/ConfigurationInterface/ConfigurationManager.h	Declares new alias constants and applyContextCommonTables() API.
otsdaq/ConfigurationInterface/ConfigurationManager.cc	Defines new alias constants, validates Context-only alias usage, and implements Context Common apply logic via mergeViews().