Regarding what you wrote on contingency, isn’t it easy to see change in qualities or properties of objects as being changes unfolding from necessity? This is the entire idea behind determinism, that even though things change and even though we may not know in advance how they will change this change is still governed by causal necessity. The mere fact that things change in their primary or secondary qualities is not usually associated with contingency, because it is quite possible that such changes were already-always necessary and therefore not-contingent.
I use the definition of contingency as indicating the logically opposite state of necessity: necessity means “could not have been otherwise; absolutely fixed, required, unalterable” and so contingency means “could have been otherwise; not absolutely fixed, not required, alterable”. The notions of contingency and necessity create confusion if we look at “alterable and unalterable” as if these apply to ANY change at all, in which case we would assume that if something changes it must be contingent and non-necessary, however that is not the case. Alterable and unalterable mean with regards to what actually occurs and takes place, what changes do happen. Think of an object and imagine it stretched out in time, with its many changes from moment to moment: if that temporal sequence of changes ITSELF is unalterable then we conclude that necessity is the case, but if the sequence is considered alterable then we conclude that contingency is the case.
There is also a problem with the notion of intentionality, this is a notion that philosophers like to use when discussing freedom and determination, however the notion risks begging the question entirely. “To intend” something often smuggles in a little bit of the quality of freedom, a little bit of the “could have been otherwise” that derives from the fact that a causal chain for a decision or action is supposedly dependent upon the “agent” who “intended” something, therefore the consequence of this way of thinking is as follows: “Agents have intentions, and causal sequences of actions/changes/behaviors originate either in part or in total from these intentions, therefore those actions/etc. are free with respect to the intentionality of the agent who caused them to be”. On the other hand if we assert that an agent’s intentionality can also be determined by factors entirely beyond the control of that agent, entirely determined, then the addition of the notion of intentionality is superfluous.
The notion of agent causation is not able to seriously address the problem of freedom and determination, for the same reason that notions of intentionality or “will” risk begging the question; to avoid this risk we must parse these notions very carefully, and once we do that it becomes apparent that the addition of the notion accomplishes nothing in the way of furthering our understanding of the problem at hand.
You mention “intention to transform itself”, this is interesting because you are indicating that if the causality behind an object is involved also in directed attempts to transform that object itself, namely of causality originating FROM an object is also circularly applied back UPON that object, we can think of this as pertinent to the idea of freedom. But is this really the case that self-feedback looping causality is really what freedom means? It is still entirely possible that such instances of self-reinforcing actions/effects/etc. are themselves fully determined by necessity, either a necessity latent to the actions/etc. themselves by the logical structure of these or a necessity stretching beyond those actions act beyond subjects who act.
Let’s say I intent to transform myself by taking a martial arts class. In this case my intentions are self-directed and the causality behind my action to join the class is feedback looped into myself (I cause actions that are directed back at the effect of transforming myself). But it is still quite possible that this entire setup is 100% deterministic. If I was fated to feel the way I feel and do what I did, which is the argument of “hard” determinism, then in no way can I be considered free simply because my actions originate from and aim to effect myself.
Your idea of the flux of subjectivity reminds me of the augment that philosophers sometimes make for freedom by invoking quantum indeterminacy. I would probably argue that the flux of subjectivity is closer to how chaos theory describes irreducibly complex chaotic systems that are nonetheless entirely deterministic: countless myriad subtle influences and causes all mingle and merge together in such a way where since each is influencing the other in real time a kind of irreducibility ensues and it becomes impossible to model eventual outcomes of the system. But the impossibility to know in advance (to predict) something does not translate into an ontological status of non-determinacy. Ever single of those subtle causes could be necessary and determined absolutely, but the particular way in which they come together and influence each other reciprocally leads to a state where prediction is imperfect. Note that this could mean either prediction by the system itself or prediction by something beyond the system.
This is how I see quantum randomness and indeterminacy, I think this sort of chaos-theory situation is literally what is taking place just below the level of our ability to measure subatomic events. To believe otherwise and assert that randomness or “uncausation” is literally the case in an ontological sense is to violate the Principle of Sufficient Reason. And I have yet to meet anyone who can explain or argue rationally for the idea of uncausation and ontological randomness, probably because any possible argument or explanation we might come up with is NECESSARILY based on the assumption of causality described in the PSR. Without the basic and necessary postulate of causal determination it becomes impossible to argue for or truly explain anything at all, because the very form of “explaining and arguing for” necessarily presupposes the existence of causal linkages between things. Even attempts at statistical analysis arguments fail because a statistical probabilistic analysis is simply a set of individual cases or values lumped together; every probabilistic argument for freedom collapses to whatever ontological status these individual cases/values might have, so we’re back at same problem as before. A probability “itself” only has reality in so far as those more individual instances exist of which we can speak of a “probability” at all, and even probabilities can be seen as nothing more an imperfections in our ability to predict things in advance, which inability could easily coexist with a situation of ontological determinism.
Anyway I don’t think any of this is the right way to look and freedom and determinism. I think we need a broader, more philosophical idea of what freedom really is and really means, within the context of determination as outlined by the PSR. In my view freedom and determinism are not categorically equatable and therefore the standard philosophical aruments that proceed from arguing either for freedom against determinism or for determinism against freedom are necessary erroneous. But I can let you respond to my points here first before I start getting into an entirely new model for approaching the “problem” of freedom and determinism.