This will simply answer question 1, this is exactly the question for top performers, project manager, or simply to start executing idea, which essentially we are just fine but we cannot prioritize or truly actualize or even make it well established concrete, although i have no idea how low intelegent performers can maintain clarity over the head under tight pressure and out of control chaotic nature which lies within the prerequisite knowledge and experience in working, as handling multilayered projects and idea is a matter of strategy or management of ideas as well as how it can be distributed within organization to make it lighter, but for us that just can simply answer the question as being fine (cognitively) but cannot handle the project well enough as it gets stuck with no progress or no clarity over achievable results, so the question anyhow can act as a trigger that raises the true question like if i am just fine why not i can make it happen or make it manageable or make it clear and done? So if you give a question from the perspective of someone that struggle it tends to make us realize that we are fine but something is wrong when the state of fine actually frames ourselves within it... I don't know if this can work this way... Anyway i don't know what your framework is about

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This is called cognitive load. You need to think about this in economic terms not financial terms. Yes, a competitor beat you to market but that was going to happen anyways.

The problem is not your product. The problem is the effort required. My solution to this is always going lower, not higher, in the stack. There is an upfront cost to this that pays for itself over time.

A word of caution though. Most people lack the intelligence and discipline to accomplish this.

I use notes on paper amd time.

Notes on paper: writing down my thought process helps me think. Extends my context window if you will.

Time: when I'm stuck on a decision, just letting it sit helps. Good ideas come during walks, bike rides, showers.

I do not think a digital tool would help my process.