250.94 Bonding for Other Systems. An intersystem bonding
termination ....
(4) At the service equipment, be securely mounted and
electrically connected to an enclosure for the service
equipment, to the meter enclosure, or to an exposed
nonflexible metallic service raceway, or be mounted at
one of these enclosures and be connected to the enclosure
or to the grounding electrode conductor with a
minimum 6 AWG copper conductor
(5) At the disconnecting means for .........and bonding
equipment.
Seems like you're making this a lot more complicated. Maybe I'm wrong, but the way I read the red highlighted part above, mount a small ground bar to the side of the meter pan, and you're set, as long as they're electrically connected.