Shorter version, if you've got trouble approaching the textbloat. Location of the gamewise technology in each block wasn't consistent, although it was and is there.

Weapons are Biological, or as I appended Nuclear-Biological-Chemical, since I was really rather unsure how ionized plasma & pure or impure radiological weapons fall under the current umbrella. The fluff for the primary arms combines radiological/ionized plasma, using an exotic and arbitrarily tough material to gunfire fusion charges which propel vaporized and hyper-energized tungsten. Fluffily this incorporates a thermal element, but technically this doesn't matter, since the only 'proper' thermal weapons are the umbrella of non-atomic lasers. The rest is more self-explanatory. Superior tech level.

Shields are Environmental. The way they work, in my conception, requires and functions on pure technobabble. Catches micro-radiological junk and the contents of BC torpedoes like it was nothing, unlike the other shield types, cracks under ballistic fire or 'blisters' from sustained thermal beaming. Standard tech level.

Armor is Conventional/Thick Plating. Lots and lots of layers, lots of redundant superstructure, lots of spaced armor layers. First line of defense against pure kinetic fire, fluffwise second line against thermal weapons, whose effects are time-delayed by the particle catchers but inevitable due to the blister effect, gamewise does all the work against laser/thermal weapons. Fluffwise contains neutron moderators and the like to catch deadly rays from close-in atom bomb blasts that the environmental shield can't entirely handle/lets through due to thermal failure, but gamewise the environmental shields do all of the work against NBC. Mundane or supermundane materials even out this obsessively rational armor layout into being a bit sub-par. Substandard tech level.

Bonus tech is biocybernetics, or neurally integrated man-machine interfacing through applied genetic modification and bionic construction connected to the nervous system on more or less ubiquitous scale. Carte blanche for chunky replacement limbs, brainbots and vat-modified weaponized semiintelligent life with camera eyes and metal claws that click way too incessantly.

The rest compresses to a formerly moderate-power, neither major nor minor, and pretty belligerent death-world evolved triumvirate of species' first contact going wrong, its immediate use/misuse of freely given FTL to attempt massive decapitation strikes in the face of existential dread, and subsequent warfare leading to their confinement to their Godzillasaur-infested homeworld, stripped of sublight colonial developments derived from nuclear pulse propulsion but not exterminated, because of presumable moral quandries with doing so. Probably not so much on the Draconians' part, though. 2 of 3 is a good enough vote. Their technology is heavily divergent due to not caring so much about ambient radiation, having evolved on a stupidly hardy world rife with fissile material in close orbit of their red sun, allowing them to use atomic ray weapons and detonations with relative impunity, but preventing them from really adopting solid-state computing simply because it fries trivially compared to micromechanical and vacuum tube style tech, the latter of which only a few parts will fry easy from EMP and need shielding, the former of which just plain doesn't care. Everything's very bulky and akin to edgier, more streamlined Buck Rogers tech, with less unnecessary buzzaws.

The corporate middle-man organization PETRA Cap'ns planning is an extranational client to AGR member states serving in an international fashion of diplomatic, frontier, terraforming and peacekeeping work, handles aforementioned shitshow that they presided over relatively well in getting word back quickly and not getting vaporized while maintaining dialogue through the flash-in-the-pan war, gets posted on treaty duty to make sure the new minor doesn't get up to any trouble now that they're joining the community. Said Zaibatsu style megacorp is near Weyland-Yutani tier of shiftiness and is the bedrock for plans to decentralize the galaxy by destablization of the existent powers to make way for smaller states that can consistently wage low-intensity war, this for both ideological and profitable purposes, like the bastard Trade Fed knockoffs they're trying quite hard to be. The AGR as Super-UNATO assumption is a little easy to make, though I was aware it wasn't quite that straightforward, simply because it's a large organization (in name or otherwise) with multiple superpowers as founder and member states, inclined to interventionism against others. Yes, the AGR doesn't really have much of any effectual power on its own, but its member states and contract-subordinate organizations do and presumably there must be framework for such to exist. I'm not sure who the primary contractor of PETRA would be, that's Cap'ns to work out, but presumably they'd be mostly Celestial and USV in species origin and contracting.

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[@WilsonTurner]
Oi. There ain't a one-lizard limit on this, is there? That's another one of the potential issues I'd conceived previously.