Place flour, eggs, and bread crumbs in 3 shallow bowls. Dredge Camembert wedges in flour, then dip in eggs, and coat in bread crumbs; transfer to a parchment paper–lined plate and freeze until ready to fry
In a small saucepan over medium-high heat, cook mashing berries until sauce is thickened, 8–10 minutes. Transfer to a bowl.
Wipe pan clean, simmer half the cranberries, the vinegars, mustard, and brown sugar until cranberries soften and vinegars are reduced by half, 8–10 minutes. Let cool slightly and transfer to a blender. Add remaining salt and the lemon juice and purée until smooth. With the motor running, drizzle in oil until emulsified set vinaigrette aside.
Heat oil in a saucepan or deep fryer to 180c Working in 2 batches, fry frozen Camembert until golden brown and crisp, 2–3 minutes. Using a slotted spoon, transfer cheese to paper towels to drain.
To serve, spread some of the reserved raspberry reduction and vinaigrette on a serving plate; arrange ham and rockmelon. Top with fried cheese; garnish with remaining cranberries, the pumpkin seeds, and parsley leaves. Serve with toasted baguette on the side.