I'm presently running a campaign in a custom sci-fi universe (using Chaosium's BRP system as a ruleset) and my party have just finished getting through the equivalent of what in a fantasy game would have been a large multi-session dungeon and a major boss. The characters are now in a town-like space and are all taking part in individual mini plots they've self-selected from a set I constructed for them in the town as part of recovery from the harrowing big adventure.
Is it still important for me to have at least one major action or combat encounter for the party as a whole to take part in or should I let these stories continue, potentially with no-major combat at all for a session?
To provide some additional context, the game is no magic but soft sci-fi, with the main focus of the adventure being for them to solve a mysterious conspiracy they've all got accidentally involved with while having fun exploring this universe which I'm developing as they go.
Gameplay has been normally clue finding and heavy NPC interaction and story, with a few combats sprinkled in when the party encounter those involved in the conspiracy, but the last few sessions were higher combat as they had entered an innocent ship that's computer system had been corrupted by a criminal they were chasing and they had to get through many malfunctioning security systems to reach them. I come myself from being a player of lots of Cthulhu and Deadlands campaigns so a heavy story focus comes from that.
I am worrying about accidentally having a 'boring' session after a major action one, so should I plot out a specific event in the town that will almost certainly trigger combat or action and guide the party towards it, or should I leave off and let things return to a more relaxed pace for a while?