ERC: Missing TIS_Footprints library — 221 warnings

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Problem

ERC reports 221 warnings:

The current configuration does not include the footprint library 'TIS_Footprints'

Every component references footprints from TIS_Footprints, but the project's fp-lib-table names the library Library:

(fp_lib_table
  (version 7)
  (lib (name "Library")(type "KiCad")(uri "\${KIPRJMOD}/Library.pretty")(options "")(descr ""))
)

The local Library.pretty directory exists and contains all 33 referenced footprints.

Root Cause

Commit 78fe9e7 added local copies of the libraries but renamed them from TIS_Footprints to Library. The schematic symbols still reference the old name.

Implementation

Rename the library entry in TAPRX-888 KiCad/fp-lib-table:

- (lib (name "Library")(type "KiCad")(uri "\${KIPRJMOD}/Library.pretty")(options "")(descr ""))
+ (lib (name "TIS_Footprints")(type "KiCad")(uri "\${KIPRJMOD}/Library.pretty")(options "")(descr ""))

The physical directory (Library.pretty) stays the same — only the logical name changes to match what the schematic symbols expect.

This clears all 221 ERC warnings.

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Present in PR #58 (the working design branch) since https://github.com/TAPR/TAPRx888/blob/design/Library.kicad_sym but the solution was to change the schematic links from the old TIS_Footprints location to the local, so in the end the fp-lib-table remains the same:

TAPRx888/fp-lib-table

Lines 1 to 4 in afe2c5c

	(fp_lib_table
	(version 7)
	(lib (name "Library")(type "KiCad")(uri "${KIPRJMOD}/Library.pretty")(options "")(descr ""))
	)

This will close with merge of PR #58